Development of Design Tables For A –Frame Trusses As Per Is 800-2007
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This document presents design tables for A-frame steel trusses according to IS 800-2007. It aims to provide engineers with a faster approach for truss design compared to calculating designs from fundamentals. The tables provide ready-to-use designs for pitched roof trusses with spans of 12m, 15m, and 18m, slopes of 1:3, 1:4, 1:5, and 1:6, and wind speeds of 55m/s, 50m/s, 47m/s, 44m/s, 39m/s, and 33m/s. The tables make it possible to quickly determine member sections and geometry for a given truss configuration. Analysis examples are presented
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![International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056
Volume: 04 Issue: 07 | July -2017 www.irjet.net p-ISSN: 2395-0072
© 2017, IRJET | Impact Factor value: 5.181 | ISO 9001:2008 Certified Journal | Page 621
Fig- 3: showing the Deflection profile of the truss for the
top chord member Comparison between LSM AND WSM in
terms of Weight.
Graph -1: Showing the weight in Kg for 12 m span under
different wind speeds in LSM and WSM for medium
permeability
Graph -2: Showing the weight in Kg for 12m, 15 m and
18m spans under different wind speeds in LSM and WSM
for High permeability
3. CONCLUSIONS
The above data analysis and interpretation from all the
graphs envisages that,
Limit state method for higher spans of the trusses (say
> 15m) with different wind speeds, it is possible to save 10-
12% of steel in comparison with the working stress method.
Limit state method also, for the lower spans (say<12m), it is
possible to save 5-6% of steel on an average as compared
with the working stress method. Significant amount of
material can be saved under different wind speeds in higher
spans thereby achieving a good economy.Thus,thisbook can
be used as a ready reckoned for practice engineers in the
field of steel construction and design.
4. REFERENCES
[1] Dr. S.K. Dubey, Prakash Sangamnerkar And
PrabhatSoni, “Analysis of Steel Roof Truss Under Normal
Permeability Condition”, International Journal of Advanced
Engineering Research and Studies, Vol. I, Issue IV, pp.8-12,
2012.
[2].Dr. N. Subramanian, “Code Of Practiceon Steel Structures
-A Review Of IS 800: 2007”, Computer Design
Consultants, Gaithersburg, MD 20878, USA
[3]. Azhar i Bagadia, “Comparison of response of industrial
structure as per IS: 1893- 1984 with IS: 1893 (part-4)”,
International Journal of AdvancedEngineeringResearch and
Studies, Vol.1, Issue III, pp.95-97, 2012.](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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This document discusses the design of steel tower structures. It begins by outlining the process of analyzing member forces and sizing members based on their axial loads. It then describes various bracing systems used for towers, including single web, double web (Warren), Pratt, and portal systems. Factors affecting the design of compression members like effective length, slenderness ratio, and buckling are also summarized. Empirical formulas for determining safe compressive stresses based on material properties and member geometry are presented.
DESIGN OF STEEL STRUCTURE
The document summarizes the design of a steel exhibition building with a circular plan. It describes the architectural features of the building including the dimensions of the exhibition hall and stalls. It then discusses the structural analysis conducted using STAAD Pro software and consideration of various loads. Next, it details the design of key structural elements like curved beams, trusses, bracings, columns, and base plates. Design calculations are provided for the curved beams. Finally, it provides a bill of materials and concluding remarks on the benefits of the tubular structural design.
Comparison Of Square And Raft Footing For A Multistory Building Under Static ...
It is a simple presentation on comparison between square and raft footing on basis of material used ,settlement and cost.
IRJET - Study on Horizontal Curved Bridge – State of Art Literature Review
The document summarizes research on the analysis of horizontally curved prestressed concrete beam bridges. It begins with an abstract describing bridges and the need to better understand behavior of curved box girder bridges. It then reviews 10 research papers on modeling and analyzing curved bridges using finite element analysis. Key findings include that curved bridges experience increased torsion compared to straight bridges, outer webs experience greater deflection, and analysis has been performed using software like SAP, LUSAS, and CSi Bridge. The document provides an overview of the current state of research on curved concrete beam bridges.
Flat slabs 1
This document section discusses two-way slabs, which are slabs that span in two orthogonal directions. It covers the analysis and design of two-way slabs using the equivalent frame method. Key points include:
1) Two-way slabs can be flat plates, flat slabs, or slabs with beams. The equivalent frame method models the slab system as a series of frames.
2) Moments from frame analysis are distributed to column strips and middle strips. Design moments are calculated per unit width.
3) Tendon layouts are similar to continuous beams, with minimum spacing and reinforcement also specified. Analysis considers features like equivalent columns.
Solving statically indeterminate structure: moment coefficient method
1) The moment coefficient method is used to analyze statically indeterminate structures by providing coefficients that account for the internal forces and moments based on the structure's loading and geometry.
2) The ACI code provides tables of moment coefficients for various structural conditions that are based on elastic analysis but also consider inelastic redistribution of forces.
3) The moment coefficient method expresses the moments as coefficients multiplied by the total factored load and the clear span length. This allows for a more precise analysis compared to assuming uniform moments.
Design of steel structural elements
The document discusses the design of steel structures according to BS 5950. It provides definitions for key terms related to steel structural elements and their design. These include beams, columns, connections, buckling resistance, capacity, and more. It then discusses the design process and different types of structural forms like tension members, compression members, beams, trusses, and frames. The properties of structural steel and stress-strain behavior are also covered. Methods for designing tension members, including consideration of cross-sectional area and end connections, are outlined.
Flexible Pavement Design
The document discusses different approaches to flexible pavement design, including empirical, mechanistic, and mechanistic-empirical approaches. It provides details on each approach, such as the empirical approach using the 1993 AASHTO Guide equation relating pavement characteristics to performance, and the mechanistic approach modeling the pavement as layers and calculating stress/strain. The mechanistic-empirical approach combines both, using mechanics to calculate stresses/strains and empirical data to define failure criteria. Road tests like the AASHO and Maryland tests helped develop the empirical relationships used in design methods.
Dynamic analysis of a reinforced concrete horizontal curved beam using software
Abstract
Dynamic analysis of a reinforced concrete beam bridge, horizontally curved in plan is done using a finite element software. The
support conditions considered are simple supports. Dynamic loading in the form of moving vehicular load is taken into account
for the purpose of analysis. IRC Class AA type of vehicle is simulated on two lanes on the beam of span 31m, having a box type
cross-section. A parametric study is done varying the radius of curvature of the beam from 50 m to 250 m with the interval of 50
m to check the behavior of the beam. Various responses of the beam like bending moment, shear force, torsional moment and
deflection are calculated. The influence of a non-dimensional parameter L/R i.e. ratio of length of the beam to radius of curvature
of the beam is verified for the responses of the beam. From the results, it has been found that the responses i.e. the bending
moment, shear force, torsional moment and deflection of the beam decrease as the radius of curvature of the beam in increased.
Also, the responses of the beam increase as the L/R ratio is increased.
Keywords: Dynamic analysis, horizontally curved beam, finite element, moving vehicular moving load, Simply
Supported, Box type, parametric study, L/R ratio
Flat slabs 2
This section discusses checking the shear capacity of two-way slabs. It covers one-way shear, which is checked separately for each spanning direction, and two-way or punching shear, which is checked for both directions simultaneously. The critical section for one-way shear is at a distance d from the column face, while for two-way shear it is at d/2. Shear capacity is checked against demand from loads and moments. If capacity is inadequate, shear reinforcement like stirrups is added at the slab-column junction. Spandrel beams at slab edges are also designed to resist torsion from lateral loads.
ANALYSIS OF CNC LATHE SPINDLE FOR MAXIMUM CUTTING FORCE CONDITION AND BEARING...
The present CNC machine structures consist of spindle system which plays a relating to the quality of the
final product and the overall productivity and efficiency of the machine tool itself. The spindle of a CNC lathe
machine, which is rotated by the main motor, holds the cutting tool, which cuts the work piece, so that the cutting
forces are generated which effects the spindle accuracy directly. The forces which are affecting the CNC machine tool
spindle are tangential force (Ft), feed force (Fc), radial force (Fr) and will be estimated. Based on maximum cutting
force incurred the analysis will be carried out. The main objective is to find the static, fatigue analysis of spindle
structure for maximum cutting force condition and predicting life of bearings. From static analysis stress and
deformation of the spindle can be found. Stress obtained from the stress analysis is less than the yield strength of the
material and deformation of the spindle is very less which can be neglected. Equivalent alternating stress, factor of
safety and life of the spindle is found by fatigue analysis and which results are closely matches with the analytical
value
Cimentaciones de torres
This document discusses the design of tower foundations. It notes that tower foundations make up 20-40% of total tower costs. The document presents a computer program written in BASIC to optimally design tower foundations. The program uses concepts like calculating the uplift resistance provided by soil weight in an inverted cone or pyramid shape. It considers factors like soil type, depth, and dimensions to calculate safety factors against uplift and sliding. The overall goal of the program is to aid in producing economical and reliable tower foundation designs.
Project 1- Masters thesis - Bridge systems
This document presents the development of four alternative composite concrete bridge systems for short and medium span bridges. Two proposed systems called PS1 and PS2 that feature a concrete topping are compared to traditional adjacent box beam systems. PS1 and PS2 are found to be lighter than box beams for all spans considered, with PS2 requiring fewer strands. Finite element analysis is used to calculate live load distribution factors, and all systems are designed and validated according to AASHTO specifications. It is demonstrated that PS2 provides shallower depths than box beams for a given span. Un-topped systems PS3 and PS4 are also developed and compared to traditional decked bulb tee systems, with PS4 found to be more efficient with fewer strands
What's hot (20)
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Assessment of Soil Structure Interaction on RCC Underpass Bridge
Structural Behaviors of Reinforced Concrete Dome with Shell System under Vari...
Structural Behaviors of Reinforced Concrete Dome with Shell System under Vari...
Static Stress Analysis of Connecting Rod Using Finite Element Approach
Static Stress Analysis of Connecting Rod Using Finite Element Approach
Comparison Of Square And Raft Footing For A Multistory Building Under Static ...
Comparison Of Square And Raft Footing For A Multistory Building Under Static ...
IRJET - Study on Horizontal Curved Bridge – State of Art Literature Review
IRJET - Study on Horizontal Curved Bridge – State of Art Literature Review
Solving statically indeterminate structure: moment coefficient method
Solving statically indeterminate structure: moment coefficient method
Dynamic analysis of a reinforced concrete horizontal curved beam using software
Dynamic analysis of a reinforced concrete horizontal curved beam using software
ANALYSIS OF CNC LATHE SPINDLE FOR MAXIMUM CUTTING FORCE CONDITION AND BEARING...
ANALYSIS OF CNC LATHE SPINDLE FOR MAXIMUM CUTTING FORCE CONDITION AND BEARING...
Similar to Development of Design Tables For A –Frame Trusses As Per Is 800-2007
Design of Experiments and Optimization of Grouted Connections of Wind Turbine...
This document summarizes a research paper that examines the design of experiments and optimization of grouted connections in steel monopile foundations for offshore wind turbines. The paper analyzes monopile foundations both with and without shear keys using finite element analysis in ANSYS. Key findings from the analysis include:
1) Boundary conditions were applied with a vertical load of 3528000N on the grout for monopiles both with and without shear keys.
2) A design of experiments approach was used to determine the effect of varying parameters on response variables. Sensitivity charts, histograms, and correlation matrices were used to analyze results.
3) Preliminary results showed preferable stresses for monopiles with shear keys compared to those without.
COMPARITIVE STUDY OF ANALYSIS & DESIGN FOR INDUSTRIAL SHED BY WSM AND LSM
The document presents a comparative study of the analysis and design of a large span, large height industrial shed using the Working Stress Method (WSM) and Limit State Method (LSM) of steel design. The industrial shed was modeled in STAAD Pro and analyzed under different load combinations. Key members were then designed using both WSM and LSM according to Indian codes IS 800:1984 and IS 800:2007 respectively. The total steel weight required for the structure was found to be 113.977 tonnes using LSM and 122.688 tonnes using WSM, showing that LSM results in a more economical design of approximately 7.64% less steel weight. Previous studies summarized in the document also found LSM
Static Structural, Fatigue and Buckling Analysis of Jet Pipe Liner by Inducin...
This document analyzes the static structural, fatigue, and buckling behavior of conventional and corrugated jet pipe liners through finite element analysis. A conventional liner model and optimized corrugated liner model were created and meshed. Static structural analysis found that the corrugated liner had lower deformation and similar von-Mises stresses to the conventional liner. Fatigue analysis determined the corrugated liner had a slightly lower fatigue life but still above the design target of 1 million cycles. Buckling analysis revealed the corrugated liner had a higher buckling load multiplier, indicating it is stiffer than the conventional liner against buckling. In conclusion, introducing corrugation improved the liner's buckling strength without negatively impacting other
STUDY OF HARPS PERIPHERAL AND PERIMETRAL BRACINGS PATTERN SHAPE IN PRE ENGINE...
This document discusses the study of different bracing patterns used in pre-engineering buildings. It analyzes the harp, perimetral, and peripheral bracing patterns through 3D modeling and structural analysis software. The harp pattern directly controls column displacement through tensile beams. The perimetral pattern connects panels to control deflections and forces. The peripheral pattern minimizes deflections at eave ends. Analysis of the models found that the perimetral pattern most effectively controls lateral and longitudinal loads and is the most economical in terms of steel consumption.
Analysis of Energy Absorption Tubes (Crush Can)
The document analyzes the energy absorption of different tube designs through finite element analysis. It summarizes that square, circular, rectangular, and square tubes with holes were modeled and subjected to axial impact loading at 15 m/s. The square tube absorbed the most energy by reducing the initial peak force and increasing progressive crushing. Validation experiments were also conducted on an aluminum tube under quasi-static loading, with the force-displacement curve and failure modes matching FEA results. The analysis concludes circular and rectangular tubes perform similarly in absorbing energy through axial loading, while the square tube with holes minimizes initial peak force to reduce occupant harm.
Contact Pressure Validation of Steam Turbine Casing for Static Loading Condition
International Journal of Modern Engineering Research (IJMER) is Peer reviewed, online Journal. It serves as an international archival forum of scholarly research related to engineering and science education.
IRJET- Fatigue Life Estimation of Small Gas Turbine Blisk
The document summarizes a study estimating the fatigue life of a small gas turbine (SGT) blisk using finite element analysis. A periodic sector of the SGT blisk is modeled and analyzed under varying operational loads over time, including thermal, pressure, and centrifugal loads. Stress and strain results indicate plastic deformation occurs. Fatigue life is then estimated using the strain-based Smith Watson Topper approach. The analysis predicts a fatigue life of 759 cycles, while theoretical calculations estimate a longer life of 1793 cycles due to considering average stresses over the cycle.
AN EXPERIMENTAL STUDY ON CFDST COLUMN UNDER AXIAL LOADING
The document presents an experimental study on Circular-Filled Double-Skin Tubular (CFDST) columns under axial loading. CFDST columns with circular hollow section inner and outer tubes are tested to investigate their behavior and properties. The testing involves subjecting CFDST column specimens to axial compression loads using a Universal Testing Machine to determine load-carrying capacity, deformation patterns, and failure mechanisms. Results from the experimental testing are then validated using finite element analysis in ANSYS software. The study finds reasonable agreement between computational predictions and experimental results, providing validation of the computational models.
IRJET- Estimation of Stress Intensity Factor for the different Crack Mode...
This document discusses the estimation of stress intensity factors for different crack modes using finite element analysis. It aims to determine the optimal pre-cracked length, crack notch radius, and crack notch angle to eliminate their effects on the stress intensity factor and fracture toughness. A three-dimensional finite element model of compact tension specimens made of stainless steel bonded with epoxy is constructed using ANSYS. The effects of notch angle, notch tip radius, and pre-crack length on the stress intensity factors are studied for different fracture modes. The goal is to find geometries that do not influence the stress intensity factor or fracture toughness.
Effect of configuration on lateral displacement and cost of the structure for...
Abstract
The choice of a cost effective lateral-force-resisting system for high-rise structures is challenging. There is no streamlined methodology to quantitatively compare the cost-effectiveness of each system beyond the more qualitative perception based evaluation of advantages or disadvantages. Developers currently base their decisions on architectural layout and structural integrity. Cost considerations are often primarily based on experience.
This decision making process has three primary shortfalls.
1) It may not incorporate factors which greatly affect the economy of a particular framing system.
2) It may not allow engineers to carryout designs at the least cost.
3) Comparison of framing systems may not address the specific building types.
This investigation proposes a prototype cost-effective model for selecting either a skeleton framing system or skeleton frame with bracing system for steel structural frames. A model for selecting cost-effective skeleton framing system or skeleton frame with bracing system will be a valuable tool for all decision makers. Engineers, in particular, will be able to select optimal steel framing faster, thus reducing design time and iterations. Furthermore, selection of economic framing system will also result in direct cost savings for steel structural frames.
The study involves the design and cost estimation of steel frames representing skeleton framing system and skeleton frame with bracingsystem. The cost effectiveness of the framing systems are compared based on lateral displacement requirements and cost.The preferred framing system should meet lateral displacement requirements and is lower in cost. The results of this pilot study showed that the Skelton framing system with bracing is the cost-effective choice for 30storeys steel space frames at wind speeds of 55m/sec, 50m/sec and 47m/sec.
Keywords: Bracings, SFS (Skeleton framing system), SFWB (Skeleton frame with bracing system) etc…
IRJET- Finite Element Analysis of Prefabricated Steel Frames under End Pl...
This document presents a finite element analysis of prefabricated steel frames with end plate connections under different loading conditions. The study aims to evaluate the strength of steel beams with a reduced section cut out of the flange, known as a reduced beam section (RBS), which is useful for improving ductility in seismic regions. Different finite element models of normal beams and beams with RBS connections retrofitted with plates and bolts are created in ANSYS software. The models are analyzed under various loads and the results, such as equivalent stress and displacement, are compared. The analysis shows that the RBS connection distributes stress more evenly compared to a normal beam. Retrofitting the RBS with a web plate further improves strength distribution and
Reduction of Vibrations in a Vertical Axis Wind Turbine using Blade Design Mo...
This document summarizes a research paper that aimed to reduce vibrations in a vertical axis wind turbine by modifying blade design. The researchers first performed modal and static structural analysis on a standard NACA 0024 blade profile. They identified areas to optimize the design to reduce vibrations. Their proposed design used a hollowed profile with internal ribs to reduce weight by 51% while also increasing the drag coefficient. Modal analysis found the proposed design had lower and less varied deformation between modes, indicating reduced vibrations. The proposed design showed potential to improve turbine performance and safety through reduced material costs, inertia, and more consistent vibration response across operating modes.
Design Optimization of Roller Chain Link Plate used in Sugar Industry
This document discusses the design optimization of roller chain link plates used in the sugar industry. Finite element analysis was used to optimize the shape and reduce the weight of the outer link plate while maintaining strength. The optimized design saved 72g of weight per link plate and 1.2kg per meter of chain. Experimental testing validated that the optimized link plates maintained strength up to the required breaking loads.
IRJET-Cyclic Response of Perforated Beam in Steel Column Joints
This document summarizes a study on the cyclic response of perforated steel beams in column joints under finite element analysis. The study analyzed the effect of various web opening parameters on the energy dissipation capacity of beams with circular and elongated circular openings. A finite element model was validated against experimental data and then used to conduct a parametric study. The study found that energy dissipation increased as opening size and dimensions increased, with maximum dissipation achieved when the opening depth was 80% of the beam depth. Openings with an elongated circular shape oriented across the beam depth also dissipated more energy than other orientations. In general, beams with larger perforations performed better in dissipating energy during cyclic loading.
IRJET- Structural Design Analysis of Bypass Casing for an Aero Engine
This document discusses the structural design analysis of a bypass casing for an aero engine. The goal is to reduce weight while meeting strength and buckling requirements. Five configurations are analyzed: the baseline ortho-grid design and modified designs using different ortho-grid and iso-grid patterns. Finite element analysis is used to evaluate stresses and buckling factors. The results show that Configuration 5, an iso-grid design, meets strength and buckling requirements while achieving a 15% weight reduction compared to the baseline. Therefore, the iso-grid configuration is selected as the final design.
STUDY OF HARPS PERIPHERAL AND PERIMETRAL BRACINGS PATTERN SHAPE IN PRE ENGINE...
This document summarizes a study on the bracing patterns used in pre-engineering industrial buildings. It analyzes three bracing patterns - harp, perimetral, and peripheral - to determine the most effective and economical design. The study models each building type using STAAD Pro and assigns loads according to Indian codes. It evaluates deflection, stress, steel weight, bending moments, shear forces, and cost for each design. The results show that the perimetral bracing pattern most effectively controls lateral and longitudinal loads while also being the most economical option. In conclusion, the perimetral bracing pattern provides the best performance for stress control and lowest overall construction costs.
Contact Pressure Analysis of Steam Turbine Casing
This document analyzes the contact pressure of a steam turbine casing through finite element analysis. It summarizes previous research on modeling steam turbine casings and assessing fatigue life. A 3D model of a simple steam turbine casing is created in ABAQUS to simulate the casing under a pressure of 5 MPa. The analysis finds that the maximum von-Mises stress of 325.87 MPa is below the yield strength and the contact pressure of 67.133 MPa is greater than the required 15 MPa, indicating the design is safe and leak-proof under static loading conditions. Previous studies on modeling complex casings and estimating low cycle fatigue life are also reviewed.
Cost Optimization of a Tubular Steel Truss Using Limit State Method of Design
Limit state method helps to design structures based on both safety and serviceability. The structures are designed to withstand ultimate loads or the loads at which failure occurs unlike working stress method where only service loads are considered. This leads to enhanced safety. Also unlike the working stress method, the structures are economical. It is also better than ultimate load method as serviceability requirement is also taken care of by considering various safety factors for all the load types and structures do not undergo massive deflection and cracks. For tubular sections, higher strength to weight ratio could result in upto 30% savings in steel .Due to the high torsional rigidity and compressive strength, Tubular sections behave more efficiently than conventional steel section This study is regarding the economy, load carrying capacity of all structural members and their corresponding safety measures.
Optimized Design and Analysis of Pedestal Bearing House
The document summarizes the design and analysis of an optimized pedestal bearing house. It discusses modeling the bearing house using CATIA software, analyzing it using ANSYS software, and manufacturing it using CNC machining. The analysis compares the stress, strain, and deformation of the existing and modified bearing house designs under different loads. The results show that the modified design with extra material added has lower stress, strain, and deformation values, indicating it is more durable and efficient than the original design.
Bend twist coupling and its effect on cavitation inception of composite marin...
This document summarizes a research study on using bend-twist coupling in composite materials to enhance the performance of marine propellers in terms of cavitation inception. The study uses numerical modeling to analyze the effects of different ply stacking sequences in a composite laminate on propeller performance characteristics like thrust, torque and cavitation inception angle. Experimental validation is also carried out in a cavitation tunnel. Results show that a composite propeller's ply sequence can be tailored to improve performance metrics like cavitation inception speed compared to a metallic propeller.
Similar to Development of Design Tables For A –Frame Trusses As Per Is 800-2007 (20)
Design of Experiments and Optimization of Grouted Connections of Wind Turbine...
Design of Experiments and Optimization of Grouted Connections of Wind Turbine...
COMPARITIVE STUDY OF ANALYSIS & DESIGN FOR INDUSTRIAL SHED BY WSM AND LSM
COMPARITIVE STUDY OF ANALYSIS & DESIGN FOR INDUSTRIAL SHED BY WSM AND LSM
Static Structural, Fatigue and Buckling Analysis of Jet Pipe Liner by Inducin...
Static Structural, Fatigue and Buckling Analysis of Jet Pipe Liner by Inducin...
STUDY OF HARPS PERIPHERAL AND PERIMETRAL BRACINGS PATTERN SHAPE IN PRE ENGINE...
STUDY OF HARPS PERIPHERAL AND PERIMETRAL BRACINGS PATTERN SHAPE IN PRE ENGINE...
Contact Pressure Validation of Steam Turbine Casing for Static Loading Condition
Contact Pressure Validation of Steam Turbine Casing for Static Loading Condition
IRJET- Fatigue Life Estimation of Small Gas Turbine Blisk
IRJET- Fatigue Life Estimation of Small Gas Turbine Blisk
AN EXPERIMENTAL STUDY ON CFDST COLUMN UNDER AXIAL LOADING
AN EXPERIMENTAL STUDY ON CFDST COLUMN UNDER AXIAL LOADING
IRJET- Estimation of Stress Intensity Factor for the different Crack Mode...
IRJET- Estimation of Stress Intensity Factor for the different Crack Mode...
Effect of configuration on lateral displacement and cost of the structure for...
Effect of configuration on lateral displacement and cost of the structure for...
IRJET- Finite Element Analysis of Prefabricated Steel Frames under End Pl...
IRJET- Finite Element Analysis of Prefabricated Steel Frames under End Pl...
Reduction of Vibrations in a Vertical Axis Wind Turbine using Blade Design Mo...
Reduction of Vibrations in a Vertical Axis Wind Turbine using Blade Design Mo...
Design Optimization of Roller Chain Link Plate used in Sugar Industry
Design Optimization of Roller Chain Link Plate used in Sugar Industry
IRJET-Cyclic Response of Perforated Beam in Steel Column Joints
IRJET-Cyclic Response of Perforated Beam in Steel Column Joints
IRJET- Structural Design Analysis of Bypass Casing for an Aero Engine
IRJET- Structural Design Analysis of Bypass Casing for an Aero Engine
STUDY OF HARPS PERIPHERAL AND PERIMETRAL BRACINGS PATTERN SHAPE IN PRE ENGINE...
STUDY OF HARPS PERIPHERAL AND PERIMETRAL BRACINGS PATTERN SHAPE IN PRE ENGINE...
Cost Optimization of a Tubular Steel Truss Using Limit State Method of Design
Cost Optimization of a Tubular Steel Truss Using Limit State Method of Design
Optimized Design and Analysis of Pedestal Bearing House
Optimized Design and Analysis of Pedestal Bearing House
Bend twist coupling and its effect on cavitation inception of composite marin...
Bend twist coupling and its effect on cavitation inception of composite marin...
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Review on studies and research on widening of existing concrete bridges
This document summarizes several studies that have been conducted on widening existing concrete bridges. It describes a study from China that examined load distribution factors for a bridge widened with composite steel-concrete girders. It also outlines challenges and solutions for widening a bridge in the UAE, including replacing bearings and stitching the new and existing structures. Additionally, it discusses two bridge widening projects in New Zealand that involved adding precast beams and stitching to connect structures. Finally, safety measures and challenges for strengthening a historic bridge in Switzerland under live traffic are presented.
React based fullstack edtech web application
The document describes the architecture of an educational technology web application built using the MERN stack. It discusses the frontend developed with ReactJS, backend with NodeJS and ExpressJS, and MongoDB database. The frontend provides dynamic user interfaces, while the backend offers APIs for authentication, course management, and other functions. MongoDB enables flexible data storage. The architecture aims to provide a scalable, responsive platform for online learning.
A Comprehensive Review of Integrating IoT and Blockchain Technologies in the ...
This paper proposes integrating Internet of Things (IoT) and blockchain technologies to help implement objectives of India's National Education Policy (NEP) in the education sector. The paper discusses how blockchain could be used for secure student data management, credential verification, and decentralized learning platforms. IoT devices could create smart classrooms, automate attendance tracking, and enable real-time monitoring. Blockchain would ensure integrity of exam processes and resource allocation, while smart contracts automate agreements. The paper argues this integration has potential to revolutionize education by making it more secure, transparent and efficient, in alignment with NEP goals. However, challenges like infrastructure needs, data privacy, and collaborative efforts are also discussed.
A REVIEW ON THE PERFORMANCE OF COCONUT FIBRE REINFORCED CONCRETE.
This document provides a review of research on the performance of coconut fibre reinforced concrete. It summarizes several studies that tested different volume fractions and lengths of coconut fibres in concrete mixtures with varying compressive strengths. The studies found that coconut fibre improved properties like tensile strength, toughness, crack resistance, and spalling resistance compared to plain concrete. Volume fractions of 2-5% and fibre lengths of 20-50mm produced the best results. The document concludes that using a 4-5% volume fraction of coconut fibres 30-40mm in length with M30-M60 grade concrete would provide benefits based on previous research.
Optimizing Business Management Process Workflows: The Dynamic Influence of Mi...
The document discusses optimizing business management processes through automation using Microsoft Power Automate and artificial intelligence. It provides an overview of Power Automate's key components and features for automating workflows across various apps and services. The document then presents several scenarios applying automation solutions to common business processes like data entry, monitoring, HR, finance, customer support, and more. It estimates the potential time and cost savings from implementing automation for each scenario. Finally, the conclusion emphasizes the transformative impact of AI and automation tools on business processes and the need for ongoing optimization.
Multistoried and Multi Bay Steel Building Frame by using Seismic Design
The document describes the seismic design of a G+5 steel building frame located in Roorkee, India according to Indian codes IS 1893-2002 and IS 800. The frame was analyzed using the equivalent static load method and response spectrum method, and its response in terms of displacements and shear forces were compared. Based on the analysis, the frame was designed as a seismic-resistant steel structure according to IS 800:2007. The software STAAD Pro was used for the analysis and design.
Cost Optimization of Construction Using Plastic Waste as a Sustainable Constr...
This research paper explores using plastic waste as a sustainable and cost-effective construction material. The study focuses on manufacturing pavers and bricks using recycled plastic and partially replacing concrete with plastic alternatives. Initial results found that pavers and bricks made from recycled plastic demonstrate comparable strength and durability to traditional materials while providing environmental and cost benefits. Additionally, preliminary research indicates incorporating plastic waste as a partial concrete replacement significantly reduces construction costs without compromising structural integrity. The outcomes suggest adopting plastic waste in construction can address plastic pollution while optimizing costs, promoting more sustainable building practices.
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Dynamic Urban Transit Optimization: A Graph Neural Network Approach for Real-...
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Structural Analysis and Design of Multi-Storey Symmetric and Asymmetric Shape...
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Long Term Trend Analysis of Precipitation and Temperature for Asosa district,...
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Survey Paper on Cloud-Based Secured Healthcare System
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Review on studies and research on widening of existing concrete bridges
Review on studies and research on widening of existing concrete bridges
A Comprehensive Review of Integrating IoT and Blockchain Technologies in the ...
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A REVIEW ON THE PERFORMANCE OF COCONUT FIBRE REINFORCED CONCRETE.
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Optimizing Business Management Process Workflows: The Dynamic Influence of Mi...
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Multistoried and Multi Bay Steel Building Frame by using Seismic Design
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Comparative analysis between traditional aquaponics and reconstructed aquapon...
The aquaponic system of planting is a method that does not require soil usage. It is a method that only needs water, fish, lava rocks (a substitute for soil), and plants. Aquaponic systems are sustainable and environmentally friendly. Its use not only helps to plant in small spaces but also helps reduce artificial chemical use and minimizes excess water use, as aquaponics consumes 90% less water than soil-based gardening. The study applied a descriptive and experimental design to assess and compare conventional and reconstructed aquaponic methods for reproducing tomatoes. The researchers created an observation checklist to determine the significant factors of the study. The study aims to determine the significant difference between traditional aquaponics and reconstructed aquaponics systems propagating tomatoes in terms of height, weight, girth, and number of fruits. The reconstructed aquaponics system’s higher growth yield results in a much more nourished crop than the traditional aquaponics system. It is superior in its number of fruits, height, weight, and girth measurement. Moreover, the reconstructed aquaponics system is proven to eliminate all the hindrances present in the traditional aquaponics system, which are overcrowding of fish, algae growth, pest problems, contaminated water, and dead fish.
一比一原版(osu毕业证书)美国俄勒冈州立大学毕业证如何办理
原版一模一样【微信：741003700 】【(osu毕业证书)美国俄勒冈州立大学毕业证成绩单】【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
【主营项目】
一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
办理(osu毕业证书)美国俄勒冈州立大学毕业证【微信：741003700 】外观非常简单，由纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
办理(osu毕业证书)美国俄勒冈州立大学毕业证【微信：741003700 】格式相对统一，各专业都有相应的模板。通常包括以下部分：
校徽：象征着学校的荣誉和传承。
校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
毕业生姓名：这是最重要的信息之一，标志着该证书是由特定人员获得的。
颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
其他信息：根据不同的专业和学位，可能会有一些特定的信息或章节。
办理(osu毕业证书)美国俄勒冈州立大学毕业证【微信：741003700 】价值很高，需要妥善保管。一般来说，应放置在安全、干燥、防潮的地方，避免长时间暴露在阳光下。如需使用，最好使用复印件而不是原件，以免丢失。
综上所述，办理(osu毕业证书)美国俄勒冈州立大学毕业证【微信：741003700 】是证明身份和学历的高价值文件。外观简单庄重，格式统一，包括重要的个人信息和发布日期。对持有人来说，妥善保管是非常重要的。
Software Engineering and Project Management - Software Testing + Agile Method...
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Null Bangalore | Pentesters Approach to AWS IAM
#Abstract:
- Learn more about the real-world methods for auditing AWS IAM (Identity and Access Management) as a pentester. So let us proceed with a brief discussion of IAM as well as some typical misconfigurations and their potential exploits in order to reinforce the understanding of IAM security best practices.
- Gain actionable insights into AWS IAM policies and roles, using hands on approach.
#Prerequisites:
- Basic understanding of AWS services and architecture
- Familiarity with cloud security concepts
- Experience using the AWS Management Console or AWS CLI.
- For hands on lab create account on [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
# Scenario Covered:
- Basics of IAM in AWS
- Implementing IAM Policies with Least Privilege to Manage S3 Bucket
- Objective: Create an S3 bucket with least privilege IAM policy and validate access.
- Steps:
- Create S3 bucket.
- Attach least privilege policy to IAM user.
- Validate access.
- Exploiting IAM PassRole Misconfiguration
-Allows a user to pass a specific IAM role to an AWS service (ec2), typically used for service access delegation. Then exploit PassRole Misconfiguration granting unauthorized access to sensitive resources.
- Objective: Demonstrate how a PassRole misconfiguration can grant unauthorized access.
- Steps:
- Allow user to pass IAM role to EC2.
- Exploit misconfiguration for unauthorized access.
- Access sensitive resources.
- Exploiting IAM AssumeRole Misconfiguration with Overly Permissive Role
- An overly permissive IAM role configuration can lead to privilege escalation by creating a role with administrative privileges and allow a user to assume this role.
- Objective: Show how overly permissive IAM roles can lead to privilege escalation.
- Steps:
- Create role with administrative privileges.
- Allow user to assume the role.
- Perform administrative actions.
- Differentiation between PassRole vs AssumeRole
Try at [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
AI + Data Community Tour - Build the Next Generation of Apps with the Einstei...
AI + Data Community Tour - Build the Next Generation of Apps with the Einstei...Paris Salesforce Developer Group
Build the Next Generation of Apps with the Einstein 1 Platform.
Rejoignez Philippe Ozil pour une session de workshops qui vous guidera à travers les détails de la plateforme Einstein 1, l'importance des données pour la création d'applications d'intelligence artificielle et les différents outils et technologies que Salesforce propose pour vous apporter tous les bénéfices de l'IA.Electric vehicle and photovoltaic advanced roles in enhancing the financial p...
Climate change's impact on the planet forced the United Nations and governments to promote green energies and electric transportation. The deployments of photovoltaic (PV) and electric vehicle (EV) systems gained stronger momentum due to their numerous advantages over fossil fuel types. The advantages go beyond sustainability to reach financial support and stability. The work in this paper introduces the hybrid system between PV and EV to support industrial and commercial plants. This paper covers the theoretical framework of the proposed hybrid system including the required equation to complete the cost analysis when PV and EV are present. In addition, the proposed design diagram which sets the priorities and requirements of the system is presented. The proposed approach allows setup to advance their power stability, especially during power outages. The presented information supports researchers and plant owners to complete the necessary analysis while promoting the deployment of clean energy. The result of a case study that represents a dairy milk farmer supports the theoretical works and highlights its advanced benefits to existing plants. The short return on investment of the proposed approach supports the paper's novelty approach for the sustainable electrical system. In addition, the proposed system allows for an isolated power setup without the need for a transmission line which enhances the safety of the electrical network
Data Driven Maintenance | UReason Webinar
Discover the latest insights on Data Driven Maintenance with our comprehensive webinar presentation. Learn about traditional maintenance challenges, the right approach to utilizing data, and the benefits of adopting a Data Driven Maintenance strategy. Explore real-world examples, industry best practices, and innovative solutions like FMECA and the D3M model. This presentation, led by expert Jules Oudmans, is essential for asset owners looking to optimize their maintenance processes and leverage digital technologies for improved efficiency and performance. Download now to stay ahead in the evolving maintenance landscape.
Gas agency management system project report.pdf
The project entitled "Gas Agency" is done to make the manual process easier by making it a computerized system for billing and maintaining stock. The Gas Agencies get the order request through phone calls or by personal from their customers and deliver the gas cylinders to their address based on their demand and previous delivery date. This process is made computerized and the customer's name, address and stock details are stored in a database. Based on this the billing for a customer is made simple and easier, since a customer order for gas can be accepted only after completing a certain period from the previous delivery. This can be calculated and billed easily through this. There are two types of delivery like domestic purpose use delivery and commercial purpose use delivery. The bill rate and capacity differs for both. This can be easily maintained and charged accordingly.
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Introduction, Modeling Concepts and Class Modeling: What is Object orientation? What is OO development? OO Themes; Evidence for usefulness of OO development; OO modeling history. Modeling
as Design technique: Modeling, abstraction, The Three models. Class Modeling: Object and Class Concept, Link and associations concepts, Generalization and Inheritance, A sample class model, Navigation of class models, and UML diagrams
Building the Analysis Models: Requirement Analysis, Analysis Model Approaches, Data modeling Concepts, Object Oriented Analysis, Scenario-Based Modeling, Flow-Oriented Modeling, class Based Modeling, Creating a Behavioral Model.
一比一原版(CalArts毕业证)加利福尼亚艺术学院毕业证如何办理
CalArts毕业证学历书【微信95270640】CalArts毕业证’圣力嘉学院毕业证《Q微信95270640》办理CalArts毕业证√文凭学历制作{CalArts文凭}购买学历学位证书本科硕士,CalArts毕业证学历学位证【实体公司】办毕业证、成绩单、学历认证、学位证、文凭认证、办留信网认证、（网上可查，实体公司，专业可靠）
(诚招代理)办理国外高校毕业证成绩单文凭学位证,真实使馆公证（留学回国人员证明）真实留信网认证国外学历学位认证雅思代考国外学校代申请名校保录开请假条改GPA改成绩ID卡
1.高仿业务:【本科硕士】毕业证,成绩单（GPA修改）,学历认证（教育部认证）,大学Offer,,ID,留信认证,使馆认证,雅思,语言证书等高仿类证书；
2.认证服务: 学历认证（教育部认证）,大使馆认证（回国人员证明）,留信认证（可查有编号证书）,大学保录取,雅思保分成绩单。
3.技术服务：钢印水印烫金激光防伪凹凸版设计印刷激凸温感光标底纹镭射速度快。
办理加利福尼亚艺术学院加利福尼亚艺术学院毕业证文凭证书流程：
1客户提供办理信息：姓名生日专业学位毕业时间等（如信息不确定可以咨询顾问：我们有专业老师帮你查询）；
2开始安排制作毕业证成绩单电子图；
3毕业证成绩单电子版做好以后发送给您确认；
4毕业证成绩单电子版您确认信息无误之后安排制作成品；
5成品做好拍照或者视频给您确认；
6快递给客户（国内顺丰国外DHLUPS等快读邮寄）
-办理真实使馆公证（即留学回国人员证明）
-办理各国各大学文凭（世界名校一对一专业服务,可全程监控跟踪进度）
-全套服务：毕业证成绩单真实使馆公证真实教育部认证。让您回国发展信心十足！
（详情请加一下 文凭顾问+微信:95270640）欢迎咨询！子小伍玩小伍比山娃小一岁虎头虎脑的很霸气父亲让山娃跟小伍去夏令营听课山娃很高兴夏令营就设在附近一所小学山娃发现那所小学比自己的学校更大更美操场上还铺有塑胶跑道呢里面很多小朋友一班一班的快快乐乐原来城里娃都藏这儿来了怪不得平时见不到他们山娃恍然大悟起来吹拉弹唱琴棋书画山娃都不懂却什么都想学山娃怨自己太笨什么都不会斟酌再三山娃终于选定了学美术当听说每月要交元时父亲犹豫了山娃也说爸算了吧咱学校一学期才转
一比一原版(爱大毕业证书)爱荷华大学毕业证如何办理
原版一模一样【微信：741003700 】【(爱大毕业证书)爱荷华大学毕业证成绩单】【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
【主营项目】
一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
办理(爱大毕业证书)爱荷华大学毕业证【微信：741003700 】外观非常简单，由纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
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校徽：象征着学校的荣誉和传承。
校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
毕业生姓名：这是最重要的信息之一，标志着该证书是由特定人员获得的。
颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
其他信息：根据不同的专业和学位，可能会有一些特定的信息或章节。
办理(爱大毕业证书)爱荷华大学毕业证【微信：741003700 】价值很高，需要妥善保管。一般来说，应放置在安全、干燥、防潮的地方，避免长时间暴露在阳光下。如需使用，最好使用复印件而不是原件，以免丢失。
综上所述，办理(爱大毕业证书)爱荷华大学毕业证【微信：741003700 】是证明身份和学历的高价值文件。外观简单庄重，格式统一，包括重要的个人信息和发布日期。对持有人来说，妥善保管是非常重要的。
Prediction of Electrical Energy Efficiency Using Information on Consumer's Ac...
Energy efficiency has been important since the latter part of the last century. The main object of this survey is to determine the energy efficiency knowledge among consumers. Two separate districts in Bangladesh are selected to conduct the survey on households and showrooms about the energy and seller also. The survey uses the data to find some regression equations from which it is easy to predict energy efficiency knowledge. The data is analyzed and calculated based on five important criteria. The initial target was to find some factors that help predict a person's energy efficiency knowledge. From the survey, it is found that the energy efficiency awareness among the people of our country is very low. Relationships between household energy use behaviors are estimated using a unique dataset of about 40 households and 20 showrooms in Bangladesh's Chapainawabganj and Bagerhat districts. Knowledge of energy consumption and energy efficiency technology options is found to be associated with household use of energy conservation practices. Household characteristics also influence household energy use behavior. Younger household cohorts are more likely to adopt energy-efficient technologies and energy conservation practices and place primary importance on energy saving for environmental reasons. Education also influences attitudes toward energy conservation in Bangladesh. Low-education households indicate they primarily save electricity for the environment while high-education households indicate they are motivated by environmental concerns.
DEEP LEARNING FOR SMART GRID INTRUSION DETECTION: A HYBRID CNN-LSTM-BASED MODEL
As digital technology becomes more deeply embedded in power systems, protecting the communication
networks of Smart Grids (SG) has emerged as a critical concern. Distributed Network Protocol 3 (DNP3)
represents a multi-tiered application layer protocol extensively utilized in Supervisory Control and Data
Acquisition (SCADA)-based smart grids to facilitate real-time data gathering and control functionalities.
Robust Intrusion Detection Systems (IDS) are necessary for early threat detection and mitigation because
of the interconnection of these networks, which makes them vulnerable to a variety of cyberattacks. To
solve this issue, this paper develops a hybrid Deep Learning (DL) model specifically designed for intrusion
detection in smart grids. The proposed approach is a combination of the Convolutional Neural Network
(CNN) and the Long-Short-Term Memory algorithms (LSTM). We employed a recent intrusion detection
dataset (DNP3), which focuses on unauthorized commands and Denial of Service (DoS) cyberattacks, to
train and test our model. The results of our experiments show that our CNN-LSTM method is much better
at finding smart grid intrusions than other deep learning algorithms used for classification. In addition,
our proposed approach improves accuracy, precision, recall, and F1 score, achieving a high detection
accuracy rate of 99.50%.
Optimizing Gradle Builds - Gradle DPE Tour Berlin 2024
Sinan from the Delivery Hero mobile infrastructure engineering team shares a deep dive into performance acceleration with Gradle build cache optimizations. Sinan shares their journey into solving complex build-cache problems that affect Gradle builds. By understanding the challenges and solutions found in our journey, we aim to demonstrate the possibilities for faster builds. The case study reveals how overlapping outputs and cache misconfigurations led to significant increases in build times, especially as the project scaled up with numerous modules using Paparazzi tests. The journey from diagnosing to defeating cache issues offers invaluable lessons on maintaining cache integrity without sacrificing functionality.
学校原版美国波士顿大学毕业证学历学位证书原版一模一样
原版一模一样【微信：741003700 】【美国波士顿大学毕业证学历学位证书】【微信：741003700 】学位证，留信认证（真实可查，永久存档）offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
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留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
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Development of Design Tables For A –Frame Trusses As Per Is 800-2007
- 1. International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 04 Issue: 07 | July -2017 www.irjet.net p-ISSN: 2395-0072 © 2017, IRJET | Impact Factor value: 5.181 | ISO 9001:2008 Certified Journal | Page 620 Development of Design Tables For A –Frame Trusses As Per Is 800- 2007 Vanitha J C , Dr. B S Jayashankar Babu , H R Shyamprasad 1Department of Civil Engineering, PES College of Engineering Mandya -571401, Karnataka, India ---------------------------------------------------------------------***--------------------------------------------------------------------- Abstract - Working out the designs from the fundamentals is tedious and time consuming. This cannot be resorted to in the design offices these days, where time plays an important role .Hence this report has been compiled to assist the design engineers involved in steel designs to give a simpler, faster approach for designing of steel trusses. This report manual provides a range of “Ready-to-Use” designs for pitched roof trusses covering spans of 12m,15m,18m.The tables are tabulated in such a way that the designer has it ready reckoned to give the section details and its geometry by viewing the table. 1. INTRODUCTION This project was aimed at subverting the disequilibrium by preparation of design tables for trusses which comprise as major shareholder in steel construction in India. The hot rolled angle sections are established all over India as efficient and easily available section owing to the simplicity in manufacturing process, varied and versatile use of these sections. This report manual provides a range of “ready-to-Use” designs for pitched roof trusses covering spans of 12m,15m,18m each in four different slopes 1:3,1:4,1:5 and 1:6.The designs for the trusses have been done under six different wind loading conditions of 55m/s,50m/s,47m/s,44m/s,39m/sand33m/s.Thetableare tabulated in such a way that the designer has it ready reckoned to give the section details and its geometry by viewing the table by all itself. 2. PIN JOINTED PLANE TRUSSES A structure that is composed of number of line members pin jointed at the ends to form a triangulated frame work is called truss .The arrangementofmembersina trussmakesit an efficient system for carrying loads . That is ,truss can carry heavy loads compared to its own weight .Most of the truss have a particular name that is associated with its geometric configuration .The key feature of a pin jointed truss that distinguishes it from other structural formsisthat it resists loads primarily through axial forcesinitsmembers. With vertically acting gravity loads, compressive forces are usually developed in the top chord members and bottom chord members. In the case of wind loads the top chord will be in tension and bottom chord will be in compression. Hence it is often necessary to design various members of a truss both for tension and compression and select the member size based on the critical force. Analysis of truss Fig-1: Model showing the beam numbers of truss Analysis model of 15m span for a wind speed of 55m with a rise of 1:3 under high permeability is demonstrated. Fig-2: Showing the loads acting on the panel points of the truss for 1.5(DL+LL) combination.
- 2. International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 04 Issue: 07 | July -2017 www.irjet.net p-ISSN: 2395-0072 © 2017, IRJET | Impact Factor value: 5.181 | ISO 9001:2008 Certified Journal | Page 621 Fig- 3: showing the Deflection profile of the truss for the top chord member Comparison between LSM AND WSM in terms of Weight. Graph -1: Showing the weight in Kg for 12 m span under different wind speeds in LSM and WSM for medium permeability Graph -2: Showing the weight in Kg for 12m, 15 m and 18m spans under different wind speeds in LSM and WSM for High permeability 3. CONCLUSIONS The above data analysis and interpretation from all the graphs envisages that, Limit state method for higher spans of the trusses (say > 15m) with different wind speeds, it is possible to save 10- 12% of steel in comparison with the working stress method. Limit state method also, for the lower spans (say<12m), it is possible to save 5-6% of steel on an average as compared with the working stress method. Significant amount of material can be saved under different wind speeds in higher spans thereby achieving a good economy.Thus,thisbook can be used as a ready reckoned for practice engineers in the field of steel construction and design. 4. REFERENCES [1] Dr. S.K. Dubey, Prakash Sangamnerkar And PrabhatSoni, “Analysis of Steel Roof Truss Under Normal Permeability Condition”, International Journal of Advanced Engineering Research and Studies, Vol. I, Issue IV, pp.8-12, 2012. [2].Dr. N. Subramanian, “Code Of Practiceon Steel Structures -A Review Of IS 800: 2007”, Computer Design Consultants, Gaithersburg, MD 20878, USA [3]. Azhar i Bagadia, “Comparison of response of industrial structure as per IS: 1893- 1984 with IS: 1893 (part-4)”, International Journal of AdvancedEngineeringResearch and Studies, Vol.1, Issue III, pp.95-97, 2012.