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It summarizes that all four bridge models collapsed due to buckling of compression members like the upper chord and columns as live load was incrementally increased by 25%, 50%, 75% and 100%. Model 2 with sub braces was found to be more resistant to collapse compared to the other models.
The study clarifies the collapse process due to incremental live loads and identifies an effective truss arrangement for steel truss bridges to resist progressive collapse when primary elements fail.
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This document discusses solutions to minimize flood damage to bridges. It suggests using lenticular shaped piers to reduce scouring as they allow smooth water flow without vertices. It also recommends rotating bridge decks during floods to prevent debris deposition. Using steel plates for the deck instead of concrete slabs is advised to reduce repair time, as steel can be repaired faster than concrete. The solutions aim to lessen bridge damage from floods and scouring, prevent debris blockage, and shorten maintenance periods.
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4) Defects in stonework related to the stone's pore structure, incorrect bedding, or salt
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1) The document discusses analyzing the structural efficiency of different types of steel trusses (Warren, Patt and Howe) through modeling in STAAD Pro software.
2) A Warren truss bridge model is analyzed under dead load, live load, and seismic load conditions. Displacement over time is highest for the Warren truss.
3) Natural frequencies are calculated, with Warren and Patt trusses having higher frequencies than the Howe truss.
4) The Warren truss experiences the greatest displacement under seismic loads, while the Patt and Howe trusses displace less.
IRJET- Conditional Assessment of Bridges Case Study: Kund-Mala BridgeIRJET Journal
This document discusses a case study of the visual inspection of the Kund-Mala Bridge located in India. The bridge consists of two segments - a concrete slab bridge and a steel truss bridge. Engineers conducted a visual inspection of the bridge and observed several issues including cracks in the concrete, exposed reinforcement, corrosion of the steel, erosion of bridge foundations, and damage to structural connections. The visual inspection is the first step in assessing the condition of the bridge and determining if further testing is needed.
Progressive Collapse Analysis of Steel Truss Foot Over BridgeIRJET Journal
This document analyzes the progressive collapse of four 25m steel truss footbridge models under increasing live loads using Staad Pro software.
It summarizes that all four bridge models collapsed due to buckling of compression members like the upper chord and columns as live load was incrementally increased by 25%, 50%, 75% and 100%. Model 2 with sub braces was found to be more resistant to collapse compared to the other models.
The study clarifies the collapse process due to incremental live loads and identifies an effective truss arrangement for steel truss bridges to resist progressive collapse when primary elements fail.
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This document discusses solutions to minimize flood damage to bridges. It suggests using lenticular shaped piers to reduce scouring as they allow smooth water flow without vertices. It also recommends rotating bridge decks during floods to prevent debris deposition. Using steel plates for the deck instead of concrete slabs is advised to reduce repair time, as steel can be repaired faster than concrete. The solutions aim to lessen bridge damage from floods and scouring, prevent debris blockage, and shorten maintenance periods.
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This study compares the ductility of M20 and M25 concrete in the staging of an elevated water tank through pushover analysis. The analysis found that M20 concrete has higher ductility than M25 concrete, with a ductility of 3.47 for M20 versus 1.7 for M25. While M25 concrete is stiffer and can take more loads, the use of M20 concrete results in significantly increased ductility of the staging structure with around a 50% reduction in force.
IRJET- A Review on Study of Defects in Buildings and their RemediesIRJET Journal
This document provides a review of common defects that can occur in buildings. It discusses defects in several areas:
1) Structural defects such as cracks in foundations, floors, or walls which can be caused by poor soil testing, improper site selection, or use of inferior materials.
2) Non-structural defects like issues with brickwork, moisture problems in older structures, or problems with mortar.
3) Defects in roofs including broken/slipped tiles or slates, blocked valleys, roof leaks, poorly installed flashing, ponding water, or inadequate ventilation.
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The document discusses cracks in reinforced concrete bridge piers and abutments. It first provides background on the causes of cracking, including applied loads, restraint from volume changes, and drying shrinkage. It then presents a case study of a bridge exhibiting cracks in the abutments and approaches. The cracks are thought to be caused by movement of the abutments due to issues with surrounding soils. The document outlines various remedial measures that could address abutment movement and cracking, such as soil grouting, concrete jacketing, and epoxy injection. It concludes that abutment movement must be addressed to prevent further deterioration of the bridge structure.
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This document presents a review of analyzing T-beam bridges using the finite element method and Courbon's method. It summarizes the analysis of a T-beam bridge as a one-dimensional structure using Indian Road Congress (IRC) loadings and Courbon's method, as well as a three-dimensional analysis using finite element software to model the deck slab and main beam. The results from the finite element model produced lower bending moments than the one-dimensional analysis using Courbon's method, indicating the manual calculation method is conservative. The document also provides background on T-beam bridges and describes various design loads that must be considered for bridge analysis and design according to IRC standards.
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2) A Warren truss bridge model is analyzed under dead load, live load, and seismic load conditions. Displacement over time is highest for the Warren truss.
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Bridge inspections are important to ensure public safety and proper bridge management. There are several types of inspections including inventory, annual condition, confirmatory, and detailed inspections. Inspections aim to identify defects in materials and components. Common bridge problems in Malaysia include corrosion and cracking in steel and concrete members, bearing issues, joint problems, scouring, vehicle impacts, and vegetation growth. Proper maintenance is needed to avoid more extensive repairs.
SEISMIC ANALYSIS OF LONG SPAN BRIDGE AND EXTERNAL SUBSTRUCTURE RETROFITING TE...IRJET Journal
This document discusses seismic analysis and retrofitting techniques for long-span bridges. It begins with an introduction to long-span bridges as engineering marvels that push design limits. It then reviews literature on seismic analysis and retrofitting methods for bridges, with a focus on fiber reinforced polymer (FRP) jacketing. The objectives of the study are to assess seismic performance of long-span bridges through analysis of design guidelines, investigate retrofitting using FRP jacketing, and conduct a comparative analysis of two bridge models to enhance understanding of seismic behavior. The goal is to advance bridge engineering and ensure safety of long-span bridges in seismic regions.
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This document reviews research on the analysis and design of skew culverts. It discusses how skew culverts behave differently than straight culverts due to non-perpendicular load transfer. Research shows that stresses and moments increase near the acute corner with higher skew angles. Guidelines are proposed for quick analysis of skew slab bridges based on conclusions that skew angle significantly impacts load reactions and reinforcement needs. The literature review covers several studies analyzing the effects of skew angle on load distribution, stresses, cracking, and deformations in skew culverts and bridges.
This document discusses retrofitting an existing reinforced concrete building in Nashik, India. The 5-story building was constructed in 1984 but had deteriorated by 2008 and was deemed unsafe. To strengthen it, the project involved jacketing all columns on both floors with concrete. Loose pockets of concrete were also reconcreted. Faulty slabs were opened and rusted reinforcement replaced before recasting slabs with new concrete. The retrofitting aimed to increase the building's service life and improve its ability to withstand future earthquakes or other disasters by upgrading its seismic resistance. Common causes of building failures in past Indian earthquakes included old construction, lack of seismic design, inadequate codes knowledge, and poor workmanship.
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This document summarizes the process of widening an existing bridge in the UAE. It faced several challenges, including replacing deteriorated bearings, repairing cracks and defects found after removing pavement, constructing approach slabs where there were none previously, addressing differences in cross-slope between the existing and new structures, protecting the deck from chemicals, and strengthening an existing pier with carbon fiber reinforced polymer sheets. These challenges were addressed through methods like jacking the bridge to replace bearings, repairing cracks, constructing new approach slabs, using leveling concrete to create uniform cross-slope, applying waterproofing, and installing CFRP sheets to strengthen the pier according to product specifications. The widening resulted in two bridges with four
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This document discusses a study analyzing stone masonry arch bridges constructed during the British era located in the Melghat region of Maharashtra, India. The study involved on-site inspection of the bridges to assess structural stability and identify any needed repairs. It was found that 95% of the bridges from the British era were still in good condition over 100 years later, with only minor issues observed. The study followed methodology from Indian codes for bridge inspection and repair. The bridges were constructed with extraordinary design that is still standing strong and can provide lessons for modern designs.
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This document discusses the design of an earthquake resistant 21-story reinforced concrete building in Lucknow, India, which is in seismic zone III. The building was designed using ETABS software according to Indian codes for seismic design. Key aspects of the design included analyzing lateral loads from earthquakes and wind, checking for drift forces, displacements, stiffness, and redundancy. The building structure incorporates shear walls, moment frames, and braced frames to resist lateral loads.
Comparative Study of Irregular Shape BuildingsIRJET Journal
This document discusses a comparative study of irregularly shaped buildings and their behavior under seismic loads. It begins with an abstract that outlines how building irregularities can lead to failures during earthquakes. It then discusses modeling three reinforced concrete building frames with different types of vertical irregularities (at the side, center, or corner) in ETABS to analyze their time periods, displacements, drifts, and responses. The results show that the frame with an irregularity at the center experienced the least variation in its responses compared to the other frames. In conclusion, a frame with a vertical irregularity at the center represents the most cost-effective design for irregular buildings subjected to seismic loads.
IRJET- Disproportionate Collapse in Building StructureIRJET Journal
This document analyzes the progressive collapse potential of a 6-story reinforced concrete building using nonlinear static analysis. Different columns are removed one at a time to simulate abnormal loading events. Demand-capacity ratios are calculated for flexure, shear, and axial forces for each case. Results like story displacement, drift, and shear are also obtained. Demand-capacity ratios exceed acceptable limits for flexure and shear in beams when corner or middle columns are removed, indicating failure. Story displacement is highest when the corner column is removed. Story drift increases then decreases with height. This analysis evaluates the building's ability to arrest disproportionate collapse when vertical load-carrying members are compromised.
IRJET- Comparative Study of Tube in Tube Structure and Frame Tube StructureIRJET Journal
The document compares the seismic behavior of tube-in-tube structures and frame tube structures to conventional moment resisting frame structures through modeling and analysis in STAAD Pro software. Tube-in-tube structures have a core tube inside the building holding elevators and services, and an outer tube around the exterior. Frame tube structures have closely spaced exterior columns tied together with deep beams. Both tube structures are designed to act like hollow cylinders cantilevered from the ground to resist lateral loads from wind and earthquakes. The analysis found that tube structures had lower maximum displacements and story drifts than conventional moment frames, indicating better seismic performance.
Retrofitting of Concrete Structures: A ReviewIRJET Journal
This document provides a review of retrofitting techniques for concrete structures. It begins with an abstract that outlines the importance of retrofitting aging infrastructure. The introduction discusses how factors like natural disasters, overloading, and corrosion can damage concrete structures over time.
The body of the document then explores various retrofitting methods in detail. It defines retrofitting as upgrading existing structures with new technologies or components. Different retrofitting techniques for concrete members are described, including concrete jacketing, carbon fiber reinforced polymer jacketing, steel jacketing, and steel caging. The literature review summarizes several studies that experimentally tested strengthening concrete beams using various fiber reinforced polymer and hybrid fiber techniques. In general, the document provides a comprehensive overview of the need for
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This document provides details on the planning, analysis, design, and estimation of a proposed G+1 degree college building using sustainable concepts. The building is planned on a 1-acre plot with a total built-up area of 28,654 square feet. The layout and drafting are done using AutoCAD software. Structural analysis is performed manually as per Indian codes to calculate forces and deflections. Based on the analysis, the dimensioning and reinforcement of structural elements like beams, columns, slabs, and footings are designed manually. Detailing of all elements is done using AutoCAD. Finally, the project cost is estimated using Microsoft Excel. The total estimated cost is around 5 crores following the latest PWD schedule of rates
Design , Analysis and Optimization of Intze Type Water Tank With Sloshing EffectIRJET Journal
This document describes a study on the design, analysis and optimization of an Intze type water tank considering sloshing effects. The study involves designing a circular water tank with a capacity of 300,000 liters and height of 12 meters using design specifications from Indian codes. A 3D model of the tank is created in ANSYS and analyzed using structural and modal analysis to understand stresses and natural frequencies. The results show maximum von mises stresses of 1.61 N/mm2, which is within permissible limits. The natural frequencies help identify ranges requiring additional damping or strength. The study aims to optimize the tank design to minimize stresses and cracking considering seismic loads and sloshing effects.
COST COMPARATIVE STUDY OF STEEL CONCRETE COMPOSITE AND RCC STRUCTUREIRJET Journal
This document presents a comparative cost study of a steel-concrete composite structure and equivalent reinforced concrete structure (RCC) for a proposed G+4 residential building. The building was modeled and analyzed using STAAD.Pro software. Both composite and RCC designs were done according to Indian codes. Cost estimates found the composite structure to be around 6% cheaper than the RCC structure due to faster construction and more efficient use of materials. Therefore, the study concluded the steel-concrete composite design is more economically feasible for this building project.
Evaluation of Effect of Overhead Tank on the Performance of Multi- Story Buil...IRJET Journal
The document evaluates the effect of overhead water tanks on the performance of multi-story buildings during earthquakes. It analyzes 5th, 10th, and 15th story buildings using ETABS software. The analysis considers various tank sizes and building heights. Time history analysis is performed to determine the structures' response. The results show non-linear dynamic behavior and demand on structural components. It is concluded that water tanks can partially or fully impact buildings during earthquakes, so proper design is needed to ensure structural stability, especially in high-risk zones.
IRJET - An Experimental Study of Flexural Behaviour and Corrosion Propert...IRJET Journal
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TUNNELING IN HIMALAYAS WITH NATM METHOD: A SPECIAL REFERENCES TO SUNGAL TUNNE...IRJET Journal
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3) The methodology section outlines the systematic geotechnical design process for tunnels according to Austrian guidelines, and describes the various steps of NATM tunnel construction including initial and secondary tunnel support.
STUDY THE EFFECT OF RESPONSE REDUCTION FACTOR ON RC FRAMED STRUCTUREIRJET Journal
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IRJET - An Experimental Study of Flexural Behaviour and Corrosion Propert...IRJET Journal
This document summarizes an experimental study on the flexural behavior and corrosion properties of reinforced concrete beams. The study aimed to induce corrosion on steel bars with and without corrosion resistant coating in beams, and determine the impact on residual flexural capacity. Beams were tested after 7 and 28 days to analyze load-carrying capacity and deflection. Results showed corrosion resistant beams had higher strength and intermediate deflection compared to conventional and corroded beams. The study concluded the corrosion resistant coating provided effective and affordable protection to rebar compared to uncoated bars, improving beam performance over time.
ANALYSIS OF HIGH RISE SILO ON THE BASIS OF DIFFERENT LOAD WITH SHEAR WALLIRJET Journal
This document analyzes the behavior of high-rise silos under different loads using shear walls of varying curvature. It summarizes the methodology used, which involves modeling a cement steel silo in STAAD and applying loads and boundary conditions. Results are presented comparing the maximum displacement and von-mises stress for silos with shear walls of different curvature and thickness under various loads. The study aims to determine the best shear wall configuration for specific silo structures.
Comparative Study of Conventional Steel Structure and Tubular Steel StructureIRJET Journal
This document compares the structural performance of a 13-story steel building designed with conventional steel sections and tubular steel sections. A 3D model of the building was created in STAAD Pro software and analyzed under gravity, wind, and seismic loads. The tubular section design had lower base shear values and story displacements, indicating better performance under lateral loads. It also had 12-15% lower total weight. The study concludes that tubular section designs are more effective at resisting lateral loads and displacements, and provide better overall economy compared to conventional section designs.
Similar to A Review on Progressive Collapse of the Bridge (20)
TUNNELING IN HIMALAYAS WITH NATM METHOD: A SPECIAL REFERENCES TO SUNGAL TUNNE...IRJET Journal
1) The document discusses the Sungal Tunnel project in Jammu and Kashmir, India, which is being constructed using the New Austrian Tunneling Method (NATM).
2) NATM involves continuous monitoring during construction to adapt to changing ground conditions, and makes extensive use of shotcrete for temporary tunnel support.
3) The methodology section outlines the systematic geotechnical design process for tunnels according to Austrian guidelines, and describes the various steps of NATM tunnel construction including initial and secondary tunnel support.
STUDY THE EFFECT OF RESPONSE REDUCTION FACTOR ON RC FRAMED STRUCTUREIRJET Journal
This study examines the effect of response reduction factors (R factors) on reinforced concrete (RC) framed structures through nonlinear dynamic analysis. Three RC frame models with varying heights (4, 8, and 12 stories) were analyzed in ETABS software under different R factors ranging from 1 to 5. The results showed that displacement increased as the R factor decreased, indicating less linear behavior for lower R factors. Drift also decreased proportionally with increasing R factors from 1 to 5. Shear forces in the frames decreased with higher R factors. In general, R factors of 3 to 5 produced more satisfactory performance with less displacement and drift. The displacement variations between different building heights were consistent at different R factors. This study evaluated how R factors influence
A COMPARATIVE ANALYSIS OF RCC ELEMENT OF SLAB WITH STARK STEEL (HYSD STEEL) A...IRJET Journal
This study compares the use of Stark Steel and TMT Steel as reinforcement materials in a two-way reinforced concrete slab. Mechanical testing is conducted to determine the tensile strength, yield strength, and other properties of each material. A two-way slab design adhering to codes and standards is executed with both materials. The performance is analyzed in terms of deflection, stability under loads, and displacement. Cost analyses accounting for material, durability, maintenance, and life cycle costs are also conducted. The findings provide insights into the economic and structural implications of each material for reinforcement selection and recommendations on the most suitable material based on the analysis.
Effect of Camber and Angles of Attack on Airfoil CharacteristicsIRJET Journal
This document discusses a study analyzing the effect of camber, position of camber, and angle of attack on the aerodynamic characteristics of airfoils. Sixteen modified asymmetric NACA airfoils were analyzed using computational fluid dynamics (CFD) by varying the camber, camber position, and angle of attack. The results showed the relationship between these parameters and the lift coefficient, drag coefficient, and lift to drag ratio. This provides insight into how changes in airfoil geometry impact aerodynamic performance.
A Review on the Progress and Challenges of Aluminum-Based Metal Matrix Compos...IRJET Journal
This document reviews the progress and challenges of aluminum-based metal matrix composites (MMCs), focusing on their fabrication processes and applications. It discusses how various aluminum MMCs have been developed using reinforcements like borides, carbides, oxides, and nitrides to improve mechanical and wear properties. These composites have gained prominence for their lightweight, high-strength and corrosion resistance properties. The document also examines recent advancements in fabrication techniques for aluminum MMCs and their growing applications in industries such as aerospace and automotive. However, it notes that challenges remain around issues like improper mixing of reinforcements and reducing reinforcement agglomeration.
Dynamic Urban Transit Optimization: A Graph Neural Network Approach for Real-...IRJET Journal
This document discusses research on using graph neural networks (GNNs) for dynamic optimization of public transportation networks in real-time. GNNs represent transit networks as graphs with nodes as stops and edges as connections. The GNN model aims to optimize networks using real-time data on vehicle locations, arrival times, and passenger loads. This helps increase mobility, decrease traffic, and improve efficiency. The system continuously trains and infers to adapt to changing transit conditions, providing decision support tools. While research has focused on performance, more work is needed on security, socio-economic impacts, contextual generalization of models, continuous learning approaches, and effective real-time visualization.
Structural Analysis and Design of Multi-Storey Symmetric and Asymmetric Shape...IRJET Journal
This document summarizes a research project that aims to compare the structural performance of conventional slab and grid slab systems in multi-story buildings using ETABS software. The study will analyze both symmetric and asymmetric building models under various loading conditions. Parameters like deflections, moments, shears, and stresses will be examined to evaluate the structural effectiveness of each slab type. The results will provide insights into the comparative behavior of conventional and grid slabs to help engineers and architects select appropriate slab systems based on building layouts and design requirements.
A Review of “Seismic Response of RC Structures Having Plan and Vertical Irreg...IRJET Journal
This document summarizes and reviews a research paper on the seismic response of reinforced concrete (RC) structures with plan and vertical irregularities, with and without infill walls. It discusses how infill walls can improve or reduce the seismic performance of RC buildings, depending on factors like wall layout, height distribution, connection to the frame, and relative stiffness of walls and frames. The reviewed research paper analyzes the behavior of infill walls, effects of vertical irregularities, and seismic performance of high-rise structures under linear static and dynamic analysis. It studies response characteristics like story drift, deflection and shear. The document also provides literature on similar research investigating the effects of infill walls, soft stories, plan irregularities, and different
This document provides a review of machine learning techniques used in Advanced Driver Assistance Systems (ADAS). It begins with an abstract that summarizes key applications of machine learning in ADAS, including object detection, recognition, and decision-making. The introduction discusses the integration of machine learning in ADAS and how it is transforming vehicle safety. The literature review then examines several research papers on topics like lightweight deep learning models for object detection and lane detection models using image processing. It concludes by discussing challenges and opportunities in the field, such as improving algorithm robustness and adaptability.
Long Term Trend Analysis of Precipitation and Temperature for Asosa district,...IRJET Journal
The document analyzes temperature and precipitation trends in Asosa District, Benishangul Gumuz Region, Ethiopia from 1993 to 2022 based on data from the local meteorological station. The results show:
1) The average maximum and minimum annual temperatures have generally decreased over time, with maximum temperatures decreasing by a factor of -0.0341 and minimum by -0.0152.
2) Mann-Kendall tests found the decreasing temperature trends to be statistically significant for annual maximum temperatures but not for annual minimum temperatures.
3) Annual precipitation in Asosa District showed a statistically significant increasing trend.
The conclusions recommend development planners account for rising summer precipitation and declining temperatures in
P.E.B. Framed Structure Design and Analysis Using STAAD ProIRJET Journal
This document discusses the design and analysis of pre-engineered building (PEB) framed structures using STAAD Pro software. It provides an overview of PEBs, including that they are designed off-site with building trusses and beams produced in a factory. STAAD Pro is identified as a key tool for modeling, analyzing, and designing PEBs to ensure their performance and safety under various load scenarios. The document outlines modeling structural parts in STAAD Pro, evaluating structural reactions, assigning loads, and following international design codes and standards. In summary, STAAD Pro is used to design and analyze PEB framed structures to ensure safety and code compliance.
A Review on Innovative Fiber Integration for Enhanced Reinforcement of Concre...IRJET Journal
This document provides a review of research on innovative fiber integration methods for reinforcing concrete structures. It discusses studies that have explored using carbon fiber reinforced polymer (CFRP) composites with recycled plastic aggregates to develop more sustainable strengthening techniques. It also examines using ultra-high performance fiber reinforced concrete to improve shear strength in beams. Additional topics covered include the dynamic responses of FRP-strengthened beams under static and impact loads, and the performance of preloaded CFRP-strengthened fiber reinforced concrete beams. The review highlights the potential of fiber composites to enable more sustainable and resilient construction practices.
Survey Paper on Cloud-Based Secured Healthcare SystemIRJET Journal
This document summarizes a survey on securing patient healthcare data in cloud-based systems. It discusses using technologies like facial recognition, smart cards, and cloud computing combined with strong encryption to securely store patient data. The survey found that healthcare professionals believe digitizing patient records and storing them in a centralized cloud system would improve access during emergencies and enable more efficient care compared to paper-based systems. However, ensuring privacy and security of patient data is paramount as healthcare incorporates these digital technologies.
Review on studies and research on widening of existing concrete bridgesIRJET Journal
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 applicationIRJET Journal
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 ...IRJET Journal
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.IRJET Journal
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...IRJET Journal
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 DesignIRJET Journal
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...IRJET Journal
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.
DEEP LEARNING FOR SMART GRID INTRUSION DETECTION: A HYBRID CNN-LSTM-BASED MODELgerogepatton
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%.
International Conference on NLP, Artificial Intelligence, Machine Learning an...gerogepatton
International Conference on NLP, Artificial Intelligence, Machine Learning and Applications (NLAIM 2024) offers a premier global platform for exchanging insights and findings in the theory, methodology, and applications of NLP, Artificial Intelligence, Machine Learning, and their applications. The conference seeks substantial contributions across all key domains of NLP, Artificial Intelligence, Machine Learning, and their practical applications, aiming to foster both theoretical advancements and real-world implementations. With a focus on facilitating collaboration between researchers and practitioners from academia and industry, the conference serves as a nexus for sharing the latest developments in the field.
Advanced control scheme of doubly fed induction generator for wind turbine us...IJECEIAES
This paper describes a speed control device for generating electrical energy on an electricity network based on the doubly fed induction generator (DFIG) used for wind power conversion systems. At first, a double-fed induction generator model was constructed. A control law is formulated to govern the flow of energy between the stator of a DFIG and the energy network using three types of controllers: proportional integral (PI), sliding mode controller (SMC) and second order sliding mode controller (SOSMC). Their different results in terms of power reference tracking, reaction to unexpected speed fluctuations, sensitivity to perturbations, and resilience against machine parameter alterations are compared. MATLAB/Simulink was used to conduct the simulations for the preceding study. Multiple simulations have shown very satisfying results, and the investigations demonstrate the efficacy and power-enhancing capabilities of the suggested control system.
Literature Review Basics and Understanding Reference Management.pptxDr Ramhari Poudyal
Three-day training on academic research focuses on analytical tools at United Technical College, supported by the University Grant Commission, Nepal. 24-26 May 2024
Electric vehicle and photovoltaic advanced roles in enhancing the financial p...IJECEIAES
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
Using recycled concrete aggregates (RCA) for pavements is crucial to achieving sustainability. Implementing RCA for new pavement can minimize carbon footprint, conserve natural resources, reduce harmful emissions, and lower life cycle costs. Compared to natural aggregate (NA), RCA pavement has fewer comprehensive studies and sustainability assessments.
Presentation of IEEE Slovenia CIS (Computational Intelligence Society) Chapte...University of Maribor
Slides from talk presenting:
Aleš Zamuda: Presentation of IEEE Slovenia CIS (Computational Intelligence Society) Chapter and Networking.
Presentation at IcETRAN 2024 session:
"Inter-Society Networking Panel GRSS/MTT-S/CIS
Panel Session: Promoting Connection and Cooperation"
IEEE Slovenia GRSS
IEEE Serbia and Montenegro MTT-S
IEEE Slovenia CIS
11TH INTERNATIONAL CONFERENCE ON ELECTRICAL, ELECTRONIC AND COMPUTING ENGINEERING
3-6 June 2024, Niš, Serbia
A SYSTEMATIC RISK ASSESSMENT APPROACH FOR SECURING THE SMART IRRIGATION SYSTEMSIJNSA Journal
The smart irrigation system represents an innovative approach to optimize water usage in agricultural and landscaping practices. The integration of cutting-edge technologies, including sensors, actuators, and data analysis, empowers this system to provide accurate monitoring and control of irrigation processes by leveraging real-time environmental conditions. The main objective of a smart irrigation system is to optimize water efficiency, minimize expenses, and foster the adoption of sustainable water management methods. This paper conducts a systematic risk assessment by exploring the key components/assets and their functionalities in the smart irrigation system. The crucial role of sensors in gathering data on soil moisture, weather patterns, and plant well-being is emphasized in this system. These sensors enable intelligent decision-making in irrigation scheduling and water distribution, leading to enhanced water efficiency and sustainable water management practices. Actuators enable automated control of irrigation devices, ensuring precise and targeted water delivery to plants. Additionally, the paper addresses the potential threat and vulnerabilities associated with smart irrigation systems. It discusses limitations of the system, such as power constraints and computational capabilities, and calculates the potential security risks. The paper suggests possible risk treatment methods for effective secure system operation. In conclusion, the paper emphasizes the significant benefits of implementing smart irrigation systems, including improved water conservation, increased crop yield, and reduced environmental impact. Additionally, based on the security analysis conducted, the paper recommends the implementation of countermeasures and security approaches to address vulnerabilities and ensure the integrity and reliability of the system. By incorporating these measures, smart irrigation technology can revolutionize water management practices in agriculture, promoting sustainability, resource efficiency, and safeguarding against potential security threats.