The attached powerpoint presentation contains information about the different types of Gauges used in Indian Railways. The different types of gauges are as follows:
1. Broad Gauge (B.G.)
2. Metre Gauge (M.G.)
3. Narrow Gauge (N.G.)
Designs of bridges vary depending on the function of the bridge, the nature of the terrain where the bridge is constructed and anchored, the material used to make it, and the funds available to build it. This module explains the types of bridges and their design characteristics.
Necessity/advantage of a tunnel, Classification of Tunnels,
Size and shape of a tunnel, Alignment of a Tunnel, Portals and Shafts,
Methods of Tunneling in Hard Rock and Soft ground, Mucking, Lighting
and Ventilation in tunnel, Dust control, Drainage of tunnels, Safety in
tunnel construction.
Tunnel is an artificially constructed underground passage to by- pass obstacles safely without disturbing the over burden. This module explains about tunnels, their parts, types and importance.
This document summarizes various methods and procedures for tunnel construction. It discusses requirements for tunnels such as efficient transportation compared to bridges and protection in wartime. Main procedures include probe drilling, grouting, excavation using drilling and blasting, supporting structures, transporting debris, lining installation, draining, and ventilation. Methods include classical techniques using timber supports, cut-and-cover construction, drilling and blasting, tunnel boring machines (TBMs), immersed tunnels, and tunnel jacking. Choice of method depends on geological and length factors, required construction speed, and managing ground variability risks.
The document discusses reasons for laying new railway lines and the process of railway surveys. It outlines six main reasons for proposing new railway lines: 1) strategic connections, 2) linking trade centers, 3) connecting ports to inland areas, 4) shortening existing routes, 5) laying branch lines, and 6) developing undeveloped areas. It then describes the three main types of railway surveys - reconnaissance, preliminary, and location surveys - conducted to determine the optimal route. The reconnaissance survey gathers initial data, preliminary survey evaluates alternative routes, and location survey establishes the final track centerline.
The document discusses foundation treatment and galleries in concrete gravity dams. Foundation treatment involves preparing the surface by excavating loose soil till bedrock and stepping the surface. It also involves consolidation grouting of the entire foundation before concreting and curtain grouting near the heel after some concreting. Galleries are horizontal or sloping passages in the dam body used for drainage, inspection, aeration, pipe installation, and foundation drilling/grouting. Common gallery types include foundation, inspection, and aeration galleries. Reinforcement is provided at gallery corners to reduce stress concentrations.
Tunnelling methods can be chosen based on geological conditions, tunnel size and length, experience, and cost considerations. Classical methods from the 19th century included the English, Austrian, German, Belgian, and Italian systems which used hand excavation and timber supports. Modern methods include mechanical drilling/cutting, tunnel boring machines (TBMs), the New Austrian Tunnelling Method (NATM), immersed tunnels, and specialized methods. The tunnelling process typically involves probe drilling, grouting, excavation, supporting, muck removal, lining, drainage, and ventilation. Cut-and-cover can maintain surface traffic with reduced street widths or temporary bypasses, and uses concrete curtain walls for trench stability in urban areas.
The document discusses drainage systems for tunnels. It explains that drainage systems control water entering tunnels during and after construction by preventing excess water and removing what does enter. Water comes from wash water used during drilling and groundwater. Drainage systems are either temporary, using open ditches or pumping, or permanent, including central drains, corrugated roofing with side drains, or single side drains. Central drains use a sloped drainage ditch to move water towards portals for pumping. Single side drains are suitable when tunnels only require a single lane and use a single large drain. Open ditches are simplest but work best in impervious soils and rock. Pumping systems collect water in sumps and use piston or
Designs of bridges vary depending on the function of the bridge, the nature of the terrain where the bridge is constructed and anchored, the material used to make it, and the funds available to build it. This module explains the types of bridges and their design characteristics.
Necessity/advantage of a tunnel, Classification of Tunnels,
Size and shape of a tunnel, Alignment of a Tunnel, Portals and Shafts,
Methods of Tunneling in Hard Rock and Soft ground, Mucking, Lighting
and Ventilation in tunnel, Dust control, Drainage of tunnels, Safety in
tunnel construction.
Tunnel is an artificially constructed underground passage to by- pass obstacles safely without disturbing the over burden. This module explains about tunnels, their parts, types and importance.
This document summarizes various methods and procedures for tunnel construction. It discusses requirements for tunnels such as efficient transportation compared to bridges and protection in wartime. Main procedures include probe drilling, grouting, excavation using drilling and blasting, supporting structures, transporting debris, lining installation, draining, and ventilation. Methods include classical techniques using timber supports, cut-and-cover construction, drilling and blasting, tunnel boring machines (TBMs), immersed tunnels, and tunnel jacking. Choice of method depends on geological and length factors, required construction speed, and managing ground variability risks.
The document discusses reasons for laying new railway lines and the process of railway surveys. It outlines six main reasons for proposing new railway lines: 1) strategic connections, 2) linking trade centers, 3) connecting ports to inland areas, 4) shortening existing routes, 5) laying branch lines, and 6) developing undeveloped areas. It then describes the three main types of railway surveys - reconnaissance, preliminary, and location surveys - conducted to determine the optimal route. The reconnaissance survey gathers initial data, preliminary survey evaluates alternative routes, and location survey establishes the final track centerline.
The document discusses foundation treatment and galleries in concrete gravity dams. Foundation treatment involves preparing the surface by excavating loose soil till bedrock and stepping the surface. It also involves consolidation grouting of the entire foundation before concreting and curtain grouting near the heel after some concreting. Galleries are horizontal or sloping passages in the dam body used for drainage, inspection, aeration, pipe installation, and foundation drilling/grouting. Common gallery types include foundation, inspection, and aeration galleries. Reinforcement is provided at gallery corners to reduce stress concentrations.
Tunnelling methods can be chosen based on geological conditions, tunnel size and length, experience, and cost considerations. Classical methods from the 19th century included the English, Austrian, German, Belgian, and Italian systems which used hand excavation and timber supports. Modern methods include mechanical drilling/cutting, tunnel boring machines (TBMs), the New Austrian Tunnelling Method (NATM), immersed tunnels, and specialized methods. The tunnelling process typically involves probe drilling, grouting, excavation, supporting, muck removal, lining, drainage, and ventilation. Cut-and-cover can maintain surface traffic with reduced street widths or temporary bypasses, and uses concrete curtain walls for trench stability in urban areas.
The document discusses drainage systems for tunnels. It explains that drainage systems control water entering tunnels during and after construction by preventing excess water and removing what does enter. Water comes from wash water used during drilling and groundwater. Drainage systems are either temporary, using open ditches or pumping, or permanent, including central drains, corrugated roofing with side drains, or single side drains. Central drains use a sloped drainage ditch to move water towards portals for pumping. Single side drains are suitable when tunnels only require a single lane and use a single large drain. Open ditches are simplest but work best in impervious soils and rock. Pumping systems collect water in sumps and use piston or
Dams can be classified in several ways:
1. According to use - storage dams store water, diversion dams divert water into canals, and detention dams control floods.
2. According to hydraulic design - overflow dams allow water over the crest, while non-overflow dams keep water below the top.
3. According to material - rigid dams use materials like concrete that don't deform, while non-rigid earth and rockfill dams settle and deform more.
4. According to structural behavior - examples include gravity, arch, buttress, earthen, and rockfill dams.
Canal & canal types with design of channels by dj sir covered kennedy lacey t...Denish Jangid
This document discusses canals and their classification and design. It describes different types of canals including contour canals, which follow the contour lines of the land to minimize engineering works. The document outlines several steps for determining the depth and bed width of canals based on factors like area and peak discharge. It also lists considerations for aligning canals, such as minimizing costs, serving the intended irrigation area, and balancing cut and fill amounts.
Tunnel making methods and tunnel boring machine mohammadsalikali
The document discusses various tunnel construction methods. It begins with an introduction to tunnels and their purposes. It then covers traditional/classical methods that were used until the late 19th century such as the English, German, and Austrian systems which involved hand excavation and timber supports. More modern methods discussed include cut-and-cover, drill-and-blast, tunnel boring machines (TBMs), immersed tunnels, and tunnel jacking. Factors in choosing a method include geological conditions, tunnel size/length, surface impacts, and construction speed/costs.
Well point dewatering involves installing small diameter wells around an excavation area and connecting them to a pump via header pipes to drain permeable ground and allow excavation. It is commonly used for foundations, basements, tunnels and other underground construction. The well points must be properly spaced and installed, and the system regularly monitored, to safely and effectively lower the water table during excavation work within permitted timelines.
Well foundations are commonly used for major bridges in India to resist large lateral forces. They are constructed similarly to conventional wells but are more rigid. Different well foundation shapes exist including circular, double D, and rectangular designs. The selection depends on the soil strata. For example, constructing a well foundation in bouldery soil like for the Pasighat Bridge in India was difficult due to large boulders and reduced working periods from heavy rainfall. Pneumatic caisson wells also risked worker health issues from changes in pressure. Proper planning of well construction based on soil data collection is important.
Tunnels are underground passages constructed for various purposes like transportation, utilities, and drainage. They are needed when surface excavation is uneconomical or causes too much disturbance. The document discusses the history of tunnel construction and various geological and engineering considerations involved. It describes different tunnel excavation methods based on the type of ground or rock, including drill-and-blast, tunnel boring machines, and new techniques like the New Austrian Tunnelling Method. Support methods are also discussed, ranging from timber supports in soft ground to steel arches and concrete linings in harder strata.
This document discusses tunneling and provides information on various topics related to tunnels. It introduces tunnels and their uses for transportation. It covers topics like lighting, ventilation, lining, size and shape of tunnels. It describes different types of tunnels and their applications. It also discusses advantages of tunnels and some limitations. In conclusion, it states that tunneling is effective for high traffic densities and has environmental benefits, but requires specialized expertise.
The document discusses different types of canals including contour canals, ridge canals, and side slope canals. It describes how canals are classified based on alignment and position. The key parts of a canal system are described including main canals, branch canals, distributaries, and water courses. Methods for fixing canal alignment and designing canal cross-sections are outlined. Different types of canal lining materials and their purposes are also summarized.
Hoisting equipments_Advanced Construction Technology (Semester-6), Civil Engi...A Makwana
1. Mobile crane:
Mobile crane is used in big construction projects for lifting heavy loads.
It is used for loading and unloading of materials in coal mines.
Loading and unloading of ships.
To take the load from ground level and place it into the truck. (i.e. skimmer)
The document provides information on diversion head works and their components. It can be summarized as:
1) Diversion head works are structures constructed at the head of a canal to divert river water into the canal and ensure a regulated supply of silt-free water with a minimum head.
2) Key components of diversion head works include under sluices, divide walls, fish ladders, silt exclusion devices, guide banks, and head regulators. Under sluices control silt entry and water levels. Divide walls separate flows. Fish ladders allow fish passage.
3) Site selection factors for diversion head works include suitable foundations, positioning the weir at a right angle to river flow, space for
The document discusses different methods of tunneling in soft ground and hard rock. It describes various types of soft ground and factors that affect the choice of tunneling method. Methods for soft ground include those using timber supports as well as shield, compressed air, and linear plate methods. For hard rock, common techniques are the full face, heading and bench, and drift methods. Sequence of operations are provided for different soft ground and hard rock tunneling approaches.
The presentation discussed various methods of dewatering on construction sites, including sump pumping, wellpoint systems, ejector wells, ground freezing, and deep wells. It described the purpose of dewatering, factors that influence selection of methods, and advantages and limitations of each approach. The methods vary in their suitability based on soil type, required depth of drawdown, and other site-specific factors. Proper dewatering is important for construction efficiency and stability.
1. The document discusses the key parameters to consider during the preliminary investigation and design of a bridge, including location, type of structure, traffic needs, hydraulic conditions, foundation exploration, and more.
2. Key factors that influence the bridge design include economics, traffic needs, navigability, aesthetics, soil/foundation conditions, hydraulic parameters like river flow and scour potential. Proper investigation of these ensures the selection of the most suitable bridge location and type.
3. The preliminary investigation involves collecting topographic data, aerial images, preliminary soil exploration to inform the final design parameters like bridge type, width, span arrangement, pier and abutment design, and loading standards. Thorough investigation is needed to make
This document discusses various aspects of tunnel construction including definitions, purposes, factors affecting construction, major tunnels in India, shapes of tunnels, geological surveys, design considerations, construction methods, and conclusions. It defines a tunnel as an underground passageway dug through surrounding soil or rock and enclosed except at entrances and exits. Common construction methods described are cut-and-cover, tunnel boring machine (TBM), shield technique, pipe jacking, and sprayed concrete. Design considerations include alignment, tunnel lining, groundwater control, ventilation, and investigation.
This document discusses various methods of tunneling in soft soil, including timbering methods like the fore-poling method and needle beam method, as well as other methods like the shield method and compressed air method. It provides details on the sequence of operations and characteristics of different tunneling methods based on the type of soft soil present, including challenges around maintaining air pressure for compressed air tunneling.
The document discusses various aspects of tunnel engineering. It begins by introducing tunnels and their uses for transportation. It then discusses the Thames Tunnel in London as an example. The document outlines several advantages of tunneling over other methods. It also discusses considerations for selecting tunnel routes and economies of tunneling. The remainder of the document describes various tunneling methods through both rock and soft ground, as well as tunnel drainage, lighting, ventilation, lining, and maintenance.
The document provides information on the New Austrian Tunneling Method (NATM). It discusses the history and origins of NATM, highlighting its first use in Austria in the 1960s. The document also outlines the key principles and features of NATM, including mobilizing the strength of the rock mass, shotcrete protection, measurements, primary lining, closing the invert, rock mass classification, and dynamic design. The sequence of executing a tunnel using the NATM approach is also described.
This document discusses different types of failures that can occur in flexible pavements. It describes various structural distresses like alligator cracking, depressions, corrugations, shoving, potholes, rutting and swelling that result from failures in the subgrade, sub-base or base course layers. It also outlines environmental distresses including bleeding, block cracking, bumps and sags, edge cracking, joint reflection cracking, raveling, cold joints, and transverse/longitudinal cracking caused by factors like temperature changes, traffic loading, and aging of materials. Proper construction of each pavement layer and consideration of environmental conditions is necessary to prevent these distresses and extend the life of flexible pavements.
"Geotechnical Engineering - Dams" is a PowerPoint for primary and secondary students that focuses on detailing the field of Geotechnical Engineering and the types and construction of dams. It also highlights careers in the field of Geotechnical Engineering. This lesson can be paired with a "Building Dams" activity.
Details of drawings to be prepared during highway alignment surveys.pptxChockalingam T
The attachment contains information about the details of drawings to be prepared during highway alignment surveys. After completing the surveys for highway alignment, Set of drawings to be prepared for executing the construction.
The attached PowerPoint presentation contains information about the Impacts of development on the environment. Please make use of the same. Both positive and negative impacts also included here.
Dams can be classified in several ways:
1. According to use - storage dams store water, diversion dams divert water into canals, and detention dams control floods.
2. According to hydraulic design - overflow dams allow water over the crest, while non-overflow dams keep water below the top.
3. According to material - rigid dams use materials like concrete that don't deform, while non-rigid earth and rockfill dams settle and deform more.
4. According to structural behavior - examples include gravity, arch, buttress, earthen, and rockfill dams.
Canal & canal types with design of channels by dj sir covered kennedy lacey t...Denish Jangid
This document discusses canals and their classification and design. It describes different types of canals including contour canals, which follow the contour lines of the land to minimize engineering works. The document outlines several steps for determining the depth and bed width of canals based on factors like area and peak discharge. It also lists considerations for aligning canals, such as minimizing costs, serving the intended irrigation area, and balancing cut and fill amounts.
Tunnel making methods and tunnel boring machine mohammadsalikali
The document discusses various tunnel construction methods. It begins with an introduction to tunnels and their purposes. It then covers traditional/classical methods that were used until the late 19th century such as the English, German, and Austrian systems which involved hand excavation and timber supports. More modern methods discussed include cut-and-cover, drill-and-blast, tunnel boring machines (TBMs), immersed tunnels, and tunnel jacking. Factors in choosing a method include geological conditions, tunnel size/length, surface impacts, and construction speed/costs.
Well point dewatering involves installing small diameter wells around an excavation area and connecting them to a pump via header pipes to drain permeable ground and allow excavation. It is commonly used for foundations, basements, tunnels and other underground construction. The well points must be properly spaced and installed, and the system regularly monitored, to safely and effectively lower the water table during excavation work within permitted timelines.
Well foundations are commonly used for major bridges in India to resist large lateral forces. They are constructed similarly to conventional wells but are more rigid. Different well foundation shapes exist including circular, double D, and rectangular designs. The selection depends on the soil strata. For example, constructing a well foundation in bouldery soil like for the Pasighat Bridge in India was difficult due to large boulders and reduced working periods from heavy rainfall. Pneumatic caisson wells also risked worker health issues from changes in pressure. Proper planning of well construction based on soil data collection is important.
Tunnels are underground passages constructed for various purposes like transportation, utilities, and drainage. They are needed when surface excavation is uneconomical or causes too much disturbance. The document discusses the history of tunnel construction and various geological and engineering considerations involved. It describes different tunnel excavation methods based on the type of ground or rock, including drill-and-blast, tunnel boring machines, and new techniques like the New Austrian Tunnelling Method. Support methods are also discussed, ranging from timber supports in soft ground to steel arches and concrete linings in harder strata.
This document discusses tunneling and provides information on various topics related to tunnels. It introduces tunnels and their uses for transportation. It covers topics like lighting, ventilation, lining, size and shape of tunnels. It describes different types of tunnels and their applications. It also discusses advantages of tunnels and some limitations. In conclusion, it states that tunneling is effective for high traffic densities and has environmental benefits, but requires specialized expertise.
The document discusses different types of canals including contour canals, ridge canals, and side slope canals. It describes how canals are classified based on alignment and position. The key parts of a canal system are described including main canals, branch canals, distributaries, and water courses. Methods for fixing canal alignment and designing canal cross-sections are outlined. Different types of canal lining materials and their purposes are also summarized.
Hoisting equipments_Advanced Construction Technology (Semester-6), Civil Engi...A Makwana
1. Mobile crane:
Mobile crane is used in big construction projects for lifting heavy loads.
It is used for loading and unloading of materials in coal mines.
Loading and unloading of ships.
To take the load from ground level and place it into the truck. (i.e. skimmer)
The document provides information on diversion head works and their components. It can be summarized as:
1) Diversion head works are structures constructed at the head of a canal to divert river water into the canal and ensure a regulated supply of silt-free water with a minimum head.
2) Key components of diversion head works include under sluices, divide walls, fish ladders, silt exclusion devices, guide banks, and head regulators. Under sluices control silt entry and water levels. Divide walls separate flows. Fish ladders allow fish passage.
3) Site selection factors for diversion head works include suitable foundations, positioning the weir at a right angle to river flow, space for
The document discusses different methods of tunneling in soft ground and hard rock. It describes various types of soft ground and factors that affect the choice of tunneling method. Methods for soft ground include those using timber supports as well as shield, compressed air, and linear plate methods. For hard rock, common techniques are the full face, heading and bench, and drift methods. Sequence of operations are provided for different soft ground and hard rock tunneling approaches.
The presentation discussed various methods of dewatering on construction sites, including sump pumping, wellpoint systems, ejector wells, ground freezing, and deep wells. It described the purpose of dewatering, factors that influence selection of methods, and advantages and limitations of each approach. The methods vary in their suitability based on soil type, required depth of drawdown, and other site-specific factors. Proper dewatering is important for construction efficiency and stability.
1. The document discusses the key parameters to consider during the preliminary investigation and design of a bridge, including location, type of structure, traffic needs, hydraulic conditions, foundation exploration, and more.
2. Key factors that influence the bridge design include economics, traffic needs, navigability, aesthetics, soil/foundation conditions, hydraulic parameters like river flow and scour potential. Proper investigation of these ensures the selection of the most suitable bridge location and type.
3. The preliminary investigation involves collecting topographic data, aerial images, preliminary soil exploration to inform the final design parameters like bridge type, width, span arrangement, pier and abutment design, and loading standards. Thorough investigation is needed to make
This document discusses various aspects of tunnel construction including definitions, purposes, factors affecting construction, major tunnels in India, shapes of tunnels, geological surveys, design considerations, construction methods, and conclusions. It defines a tunnel as an underground passageway dug through surrounding soil or rock and enclosed except at entrances and exits. Common construction methods described are cut-and-cover, tunnel boring machine (TBM), shield technique, pipe jacking, and sprayed concrete. Design considerations include alignment, tunnel lining, groundwater control, ventilation, and investigation.
This document discusses various methods of tunneling in soft soil, including timbering methods like the fore-poling method and needle beam method, as well as other methods like the shield method and compressed air method. It provides details on the sequence of operations and characteristics of different tunneling methods based on the type of soft soil present, including challenges around maintaining air pressure for compressed air tunneling.
The document discusses various aspects of tunnel engineering. It begins by introducing tunnels and their uses for transportation. It then discusses the Thames Tunnel in London as an example. The document outlines several advantages of tunneling over other methods. It also discusses considerations for selecting tunnel routes and economies of tunneling. The remainder of the document describes various tunneling methods through both rock and soft ground, as well as tunnel drainage, lighting, ventilation, lining, and maintenance.
The document provides information on the New Austrian Tunneling Method (NATM). It discusses the history and origins of NATM, highlighting its first use in Austria in the 1960s. The document also outlines the key principles and features of NATM, including mobilizing the strength of the rock mass, shotcrete protection, measurements, primary lining, closing the invert, rock mass classification, and dynamic design. The sequence of executing a tunnel using the NATM approach is also described.
This document discusses different types of failures that can occur in flexible pavements. It describes various structural distresses like alligator cracking, depressions, corrugations, shoving, potholes, rutting and swelling that result from failures in the subgrade, sub-base or base course layers. It also outlines environmental distresses including bleeding, block cracking, bumps and sags, edge cracking, joint reflection cracking, raveling, cold joints, and transverse/longitudinal cracking caused by factors like temperature changes, traffic loading, and aging of materials. Proper construction of each pavement layer and consideration of environmental conditions is necessary to prevent these distresses and extend the life of flexible pavements.
"Geotechnical Engineering - Dams" is a PowerPoint for primary and secondary students that focuses on detailing the field of Geotechnical Engineering and the types and construction of dams. It also highlights careers in the field of Geotechnical Engineering. This lesson can be paired with a "Building Dams" activity.
Details of drawings to be prepared during highway alignment surveys.pptxChockalingam T
The attachment contains information about the details of drawings to be prepared during highway alignment surveys. After completing the surveys for highway alignment, Set of drawings to be prepared for executing the construction.
The attached PowerPoint presentation contains information about the Impacts of development on the environment. Please make use of the same. Both positive and negative impacts also included here.
Introduction - Environmental Impact Assessment Chockalingam T
The following Powerpoint presentation contains information about the syllabus, Course objectives, and Course outcomes of the Open elective subject OCE751 - Environmental and Social Impact Assessment. Make use of the same.
This document discusses constituent materials used in concrete, including cement, aggregates, and water. It describes different types of cement and their properties, as well as tests performed on cement. It also covers the classification, properties, and testing of aggregates according to BIS standards. Water quality requirements for use in concrete are also mentioned.
The attached powerpoint presentation contains information about the different airports available in our country. This PPT is very much useful to the students to aware about the different airports and aircraft's available in our country.
The attached powerpoint presentation contains information about the characteristics of the Aircraft. It may be useful for the students studying Railways, Airports and Harbour Engineering as a subject in their curriculum. It may be also useful for readers, who may wish to know about the different characteristics of the aircraft.
Unit 3 control of particulate contaminantsChockalingam T
The attached powerpoint presentation contains information about the Control of Particulate Contaminants. It is very useful for students studiying Air Pollution and Control Engineering either as an Open elective or Professional elective.
The attached powerpoint presentation contains information about the Meteorology - 2nd unit in Open Elective - Air Pollution and Control Engineering, for affiliated institutions of Anna University.
OCE551 - Air Pollution and Control Engineering
Traffic regulatory measures subjective assignment 2 - academic writingChockalingam T
The attached powerpoint presentation contains information about the Traffic Regulatory Measures. Prepared on behalf of UGC MOOC through Swayam Platform.
This document discusses different sources of noise pollution from road traffic, including noise generated by vehicles' engines, exhaust, brakes, horns, and chassis, as well as door slamming. It notes that noise levels depend on traffic speed, flow and density. The document also mentions that sound level meters are used to measure acoustic noise and lists strategies for controlling access to roads like overpasses and underpasses to allow for unhindered traffic flow.
The attached powerpoint contains information about road user characteristics, especially during driving. This PPT will be very much helpful for students studying Road User Characteristics in CE6006 - Traffic Engineering and Management as an elective under affiliated institutions of Anna University.
The attached powerpoint presentation contains information about the evolution of railways in our country. This powerpoint presentation is very much useful for the students studying Railways, Airports and Harbour Engineering as a part of curriculum of Faculty of Civil Engineering
The attached powerpoint presentation contains details about Traffic aids - Street Furniture. Useful for CE6006 - Traffic Engineering and Management - Elective - for Civil Engineering Students, (7th Semester - Anna University Affliated Institutions)
The attached powerpoint presentation deals with the Indoor Air Quality Management regarding the subject Air Pollution and Control Engineering - Open Elective for Anna University Affiliated Institutions.
This document discusses various tests used to analyze properties of bitumen such as viscosity, ductility, softening point, and flash and fire points. Tests include using a penetrometer, ductility testing machine, ring and ball apparatus, and Pensky-Martens Closed Cup Tester or Open Cup Tester to determine characteristics like penetration, ductility, softening temperature, and ignition temperatures. Spot tests are also used to analyze bitumen properties.
The document outlines the various types of lighting used at airports, including rotating beacons, code beacons, boundary lighting, approach lighting, threshold lighting, runway lighting, taxiway lighting, apron and hangar lighting, lighting for wind direction indicators, and lighting for land direction indicators. Proper airport lighting helps guide pilots and vehicles to navigate runways, taxiways, and facilities safely.
This presentation discusses the points and crossings used in railways. Especially It deals with the types of turnout - Right-Hand Turnout and Left-hand Turnout. parts of turnout and also the different types of crossings based on the angle.
This document lists and defines common mooring accessories used on ships and boats, including double bitts, bollards, corner mooring posts, cleats, open and closed chokes, releasing hooks, and power capstans. It also lists types of navigation lights and buoys, such as light ships, nun buoys, can buoys, and lighted buoys.
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.
Generative AI Use cases applications solutions and implementation.pdfmahaffeycheryld
Generative AI solutions encompass a range of capabilities from content creation to complex problem-solving across industries. Implementing generative AI involves identifying specific business needs, developing tailored AI models using techniques like GANs and VAEs, and integrating these models into existing workflows. Data quality and continuous model refinement are crucial for effective implementation. Businesses must also consider ethical implications and ensure transparency in AI decision-making. Generative AI's implementation aims to enhance efficiency, creativity, and innovation by leveraging autonomous generation and sophisticated learning algorithms to meet diverse business challenges.
https://www.leewayhertz.com/generative-ai-use-cases-and-applications/
Redefining brain tumor segmentation: a cutting-edge convolutional neural netw...IJECEIAES
Medical image analysis has witnessed significant advancements with deep learning techniques. In the domain of brain tumor segmentation, the ability to
precisely delineate tumor boundaries from magnetic resonance imaging (MRI)
scans holds profound implications for diagnosis. This study presents an ensemble convolutional neural network (CNN) with transfer learning, integrating
the state-of-the-art Deeplabv3+ architecture with the ResNet18 backbone. The
model is rigorously trained and evaluated, exhibiting remarkable performance
metrics, including an impressive global accuracy of 99.286%, a high-class accuracy of 82.191%, a mean intersection over union (IoU) of 79.900%, a weighted
IoU of 98.620%, and a Boundary F1 (BF) score of 83.303%. Notably, a detailed comparative analysis with existing methods showcases the superiority of
our proposed model. These findings underscore the model’s competence in precise brain tumor localization, underscoring its potential to revolutionize medical
image analysis and enhance healthcare outcomes. This research paves the way
for future exploration and optimization of advanced CNN models in medical
imaging, emphasizing addressing false positives and resource efficiency.
Software Engineering and Project Management - Software Testing + Agile Method...Prakhyath Rai
Software Testing: A Strategic Approach to Software Testing, Strategic Issues, Test Strategies for Conventional Software, Test Strategies for Object -Oriented Software, Validation Testing, System Testing, The Art of Debugging.
Agile Methodology: Before Agile – Waterfall, Agile Development.
Null Bangalore | Pentesters Approach to AWS IAMDivyanshu
#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/)
Digital Twins Computer Networking Paper Presentation.pptxaryanpankaj78
A Digital Twin in computer networking is a virtual representation of a physical network, used to simulate, analyze, and optimize network performance and reliability. It leverages real-time data to enhance network management, predict issues, and improve decision-making processes.
Design and optimization of ion propulsion dronebjmsejournal
Electric propulsion technology is widely used in many kinds of vehicles in recent years, and aircrafts are no exception. Technically, UAVs are electrically propelled but tend to produce a significant amount of noise and vibrations. Ion propulsion technology for drones is a potential solution to this problem. Ion propulsion technology is proven to be feasible in the earth’s atmosphere. The study presented in this article shows the design of EHD thrusters and power supply for ion propulsion drones along with performance optimization of high-voltage power supply for endurance in earth’s atmosphere.
Applications of artificial Intelligence in Mechanical Engineering.pdfAtif Razi
Historically, mechanical engineering has relied heavily on human expertise and empirical methods to solve complex problems. With the introduction of computer-aided design (CAD) and finite element analysis (FEA), the field took its first steps towards digitization. These tools allowed engineers to simulate and analyze mechanical systems with greater accuracy and efficiency. However, the sheer volume of data generated by modern engineering systems and the increasing complexity of these systems have necessitated more advanced analytical tools, paving the way for AI.
AI offers the capability to process vast amounts of data, identify patterns, and make predictions with a level of speed and accuracy unattainable by traditional methods. This has profound implications for mechanical engineering, enabling more efficient design processes, predictive maintenance strategies, and optimized manufacturing operations. AI-driven tools can learn from historical data, adapt to new information, and continuously improve their performance, making them invaluable in tackling the multifaceted challenges of modern mechanical engineering.
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.
Software Engineering and Project Management - Introduction, Modeling Concepts...Prakhyath Rai
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.