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Capacity & Level of Service: Highways & Signalized Intersections (Indo-HCM)Vijai Krishnan V
This presentation gives a glimpse on estimating the capacity and Level of Service (LOS) of highway midblock sections and signalized intersections under heterogeneous traffic conditions using the Indo-HCM 2017 Manual. It also compares the Indo-HCM LOS estimation methods with US-HCM. Some practice questions are also included.
I acknowledge the co-author Ms. Sethulakshmi G (Ph. D. Scholar, NIT Surathkal) for her valuable contribution to this presentation.
Sight distance is the length of road visible ahead of the driver at any instance.
Sight distance available at any location of the carriageway is the actual distance a driver with his eye level at a specified height above the pavements surface has visibility of any stationary or moving object of specified height which is on the carriageway ahead.
The sight distance between the driver and the object is measured along the road surface.
The clear distance ahead of vehicle which is visible to the driver is known as sight distance
The minimum distance within which a driver can safely stop his vehicle without any collision with some vehicle, animal or any other object is known as stopping sight distance.
Spot speed studies are used to determine the speed
distribution of a traffic stream at a specific location. I The data gathered in spot speed studies are used to determine vehicle speed percentiles, which are useful in making many speed-related decisions
Detailed description of Capacity and Level of service of Multi lane highways based on Highway Capacity Manual (HCM2010) along with one example for finding LOS of a highway
accident report for cars
form for accident report
blue report for accident
accident reports for nc
the best study method
effective study methods
causes of accidents
factors affecting accidents
how accident data are collected
Capacity & Level of Service: Highways & Signalized Intersections (Indo-HCM)Vijai Krishnan V
This presentation gives a glimpse on estimating the capacity and Level of Service (LOS) of highway midblock sections and signalized intersections under heterogeneous traffic conditions using the Indo-HCM 2017 Manual. It also compares the Indo-HCM LOS estimation methods with US-HCM. Some practice questions are also included.
I acknowledge the co-author Ms. Sethulakshmi G (Ph. D. Scholar, NIT Surathkal) for her valuable contribution to this presentation.
Sight distance is the length of road visible ahead of the driver at any instance.
Sight distance available at any location of the carriageway is the actual distance a driver with his eye level at a specified height above the pavements surface has visibility of any stationary or moving object of specified height which is on the carriageway ahead.
The sight distance between the driver and the object is measured along the road surface.
The clear distance ahead of vehicle which is visible to the driver is known as sight distance
The minimum distance within which a driver can safely stop his vehicle without any collision with some vehicle, animal or any other object is known as stopping sight distance.
Spot speed studies are used to determine the speed
distribution of a traffic stream at a specific location. I The data gathered in spot speed studies are used to determine vehicle speed percentiles, which are useful in making many speed-related decisions
Detailed description of Capacity and Level of service of Multi lane highways based on Highway Capacity Manual (HCM2010) along with one example for finding LOS of a highway
Module 5: Pavement Design
(8 Lectures)
Basic Principles, Methods for Different Types of Pavements, Design of flexible pavement using IRC: 37- 2012, Design of rigid pavement using IRC: 58-2011
Other modes of Transport
Introduction to Railways, Airways, Waterways, Pipeline Transportation, Classification, Requirements, Comparative Studies.
Formula One is the highest class of single-seater auto racing sanctioned by the Fédération Internationale de l'Automobile and owned by the Formula One Group. To Organize such a sporting event with high risk of death is a big challenge and to face and overcome such challenge Science & Engineering come forward.
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
Immunizing Image Classifiers Against Localized Adversary Attacksgerogepatton
This paper addresses the vulnerability of deep learning models, particularly convolutional neural networks
(CNN)s, to adversarial attacks and presents a proactive training technique designed to counter them. We
introduce a novel volumization algorithm, which transforms 2D images into 3D volumetric representations.
When combined with 3D convolution and deep curriculum learning optimization (CLO), itsignificantly improves
the immunity of models against localized universal attacks by up to 40%. We evaluate our proposed approach
using contemporary CNN architectures and the modified Canadian Institute for Advanced Research (CIFAR-10
and CIFAR-100) and ImageNet Large Scale Visual Recognition Challenge (ILSVRC12) datasets, showcasing
accuracy improvements over previous techniques. The results indicate that the combination of the volumetric
input and curriculum learning holds significant promise for mitigating adversarial attacks without necessitating
adversary training.
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About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)MdTanvirMahtab2
This presentation is about the working procedure of Shahjalal Fertilizer Company Limited (SFCL). A Govt. owned Company of Bangladesh Chemical Industries Corporation under Ministry of Industries.
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
1. AN ALTERNATIVE METHOD FOR
BARRIERS : ROLLING BARRIER SYSTEM
E BHARGAV REDDY
8TH SEM
CIVIL ENGINEERING
BMS INSTITUTE OF TECHNOLOGY & MANAGEMENT
DEPARTMENT OF CIVIL ENGINEERING
2. CONTENTS
• INTRODUCTION
• WHAT IS A BARRIER?
• FUNCTION OF A BARRIER
• ROLLING BARRIERS
• FEATURES
• HOW THE BARRIER WORKS
• TEST PERFORMANCE
• PROBLEMS
• IMPLEMENTATION
• CONCLUSION
• REFERENCES
3. INTRODUCTION
• Road accidents are an outcome of various factors such as length of road networks ,
vehicle population, human population and road safety regulations etc. Road safety
has become an issue of concern both at national and international levels.
• India is one of the highest motorization growths in the world accompanied by rapid
expansion of road networks. the analysis of road accidents show that in year 2016 it
was recorded 4,80,652 accidents, leading to 1,50,785 deaths.
• The number suggests that at least 413 people died everyday in 1,317 road
accidents.
• A Korean based company invented a new concept called the rolling barriers and it
was installed at two downgraded and curved roads in Busan, the accidents were
reduced by 50% in a year. this study aims to evaluate the effectiveness of rolling
barriers and understand the rolling barriers features.
4. Year - 2014 Year - 2015 Year - 2016
Total Accidents 489400 501423 480652
Persons Killed 139671 146133 150785
Accidents on
Highway
137903 142268 165826
5. What is a barrier?
Barrier or guard rails are structures that keep vehicles within their
road way and prevent vehicles from colliding with dangerous
obstacles .
6. FUNCTION OF A BARRIER
• Roadside barriers are used to protect traffic from roadside
obstacles or hazards.
• Median barriers are used to prevent vehicles from crossing over
and colliding with on coming vehicles.
• Bridge barriers are used to restrain vehicles from falling off the
bridge.
• Work zone barriers are used to protect traffic from hazards in
work zones.
7.
8. ROLLING BARRIERS
• Created by a Korean company
called KSI( Korean safety
innovation)
• The rolling barrier has both
stiffness and flexibility to
withstand collisions unlike usual
barriers.
• Urethane has become the
material of choice to produce
rollers due to its extraordinary
physical and mechanical
properties.
9.
10. FEATURES
• Made of special chemical compound like hard rubber
(urethane).
• Easy to maintain due to separated barrels (recyclable).
• Stopper boards installed on top and lower parts of the
barrels to guide the vehicles back to the road.
• Easy to adjust height , noticeable to drivers due to
noticeable coloration.
• Costs less to install.
12. HOW THE BARRIERS WORK
• Roller absorbs collision shock
(shock energy –rotational
energy).
• Front rail absorbs second
shock.
• Back rail absorbs the third
shock.
• Metal pipe is inserted to
strengthen the post.
15. PROBLEMS
1)COST :- Compared to other types of barriers like
reinforced concrete, this rolling barrier is made up of
urethane which costs less, but urethane resources are
less compared to concrete.
2)HEAT TREATMENT :- At high temperatures the rubber
characteristic feature is that it tends to low resistance property,
but can be maintained by monthly inspection.
16. IMPLEMENTATIONS
• Can be installed in curved road
sections
EX:- NH22 (highway to hell) is
considered India’s most
dangerous highway.
• Ramps in city or state or
national highway.
• Medians and entrances and exit
ramps in parking garages.
17. CONCLUSION
• Accidents are the errors of humans while using motor vehicles and
also nature creates problems like rain causing slippery roads.
• Ultimately life is more precious then vehicles but when it comes
to rolling barrier system usage, it saves life and also prevents
maximum damage to the vehicles.
• Rolling barriers will not only reduce the impact of collision but
also help in redirecting to the actual path, by converting impact
energy into rotational energy.
18. REFERENCES
• “Rolling Barrier System” BY Nagadarshan Rao B J, Nagaraja
Bhagav.
• https://link.springer.com/article/10.1007/BF02829089 BY Kyung-
Whan Kim.
• http://ksikorea.com/wp/product/highway-roller-barrier-systems/
• https://en.wikipedia.org/wiki/Guard_rail
• https://www.jrlawfirm.com/library/cars-impaled-guard-rail-
guardrail-safety-car-accident/