The document discusses the challenges of constructing and maintaining roadways in high altitude regions of India. Some key points:
- Road construction in high altitude areas requires special considerations for materials, equipment, worker safety and design due to extreme weather conditions like heavy snowfall and freezing temperatures.
- Factors that contribute to frequent landslides in mountainous regions include steep slopes, erosion, heavy rainfall, snow melt, loss of vegetation, earthquakes and mining.
- Special structures like snow galleries and avalanche control structures are used to allow snow to pass over roads. Heated road surfaces are also being trialled to prevent ice and snow buildup.
- Ongoing maintenance activities like clearing landslides and drain
The Ministry of Road Transport & Highways has taken up detailed review of National Highways (NHs) network with a view to improve road connectivity to coastal / border areas, backward areas, religious places, tourist places, construction / rehabilitation / widening of about 1,500 major bridges and 200 Railway Over Bridges (ROBs) / Railway Under Bridges (RUBs) on NHs, improvement of newly declared NHs providing connectivity to District Head Quarters, Connectivity Improvement Program for Char-Dham (Kedarnath, Badrinath, Yamunothri & Gangothri in Uttarakhand) under proposed Bharatmala
The Ministry of Road Transport & Highways has taken up detailed review of National Highways (NHs) network with a view to improve road connectivity to coastal / border areas, backward areas, religious places, tourist places, construction / rehabilitation / widening of about 1,500 major bridges and 200 Railway Over Bridges (ROBs) / Railway Under Bridges (RUBs) on NHs, improvement of newly declared NHs providing connectivity to District Head Quarters, Connectivity Improvement Program for Char-Dham (Kedarnath, Badrinath, Yamunothri & Gangothri in Uttarakhand) under proposed Bharatmala
ALIGNMENT OF RAILWAY LINE |ALIGNMENT OF RAILWAY TRACK |RAILWAY ENGINEERINGEduHUBOnline
Video LINK of PPT(Must WATCH for better Experience):-
https://www.youtube.com/watch?v=T1Dts33EMMA
This Presentation/Pdf/video is about the Alignment of railway lines which is a part of railway engineering. Here we are going to discuss about the alignment of the railway track, criteria for it.
Alignment of railway line refers to the direction and position given to the centerline of the railway track on the ground in the horizontal and vertical planes. Horizontal alignment means the direction of the railway track in the plan including the straight path and the curves it follows. Vertical alignment means the direction it follows in a vertical plane including the level track, gradients, and vertical curves. The various factors affecting alignment, and types of track alignments and their suitability in different terrains are discussed in this video.
Different topics discussed are: -
Types of Railway Projects
Proper planning and Alignment of the railway line
Alignment of Railway Line
Horizontal alignment & Vertical alignment
Importance of Good alignment
Railway Line Constructions
The various factors affecting alignment, and types of track alignments
Basic Requirements of an Ideal Alignment
Selection of a Good Alignment
Economic Considerations of railway alignment
This video will be very helpful for all students of civil engineering who are going to study railway engineering, students who are looking to make a career in civil engineering, and for general knowledge about railway also, and also for civil engineering students preparing for govt exams.
#railwayengineering #alignmentofrailwayline
Brief Introduction of
* Purposes of railway station
* Site selection for railway station
* Requirements of railway station
* Classification of stations
* Classification of Yards
In this presentation all concepts, needs of urban mass transportation system is explained in well manner. after seeing this presentation you can be able to answer all questions related to mass transportation syatem.
A highway is any public or private road or other public way on land. It is used for major roads, but also includes other public roads and public tracks: It is not an equivalent term to controlled-access highway, or a translation for autobahn, autoroute, etc.
In North American and Australian English, major roads such as controlled-access highways or arterial roads are often state highways (Canada: provincial highways). Other roads may be designated "county highways" in the US and Ontario. These classifications refer to the level of government (state, provincial, county) that maintains the roadway.
In British English, "highway" is primarily a legal term. Everyday use normally implies roads, while the legal use covers any route or path with a public right of access, including footpaths etc.
The term has led to several related derived terms, including highway system, highway code, highway patrol and highwayman.
The term highway exists in distinction to "waterway".
Mass transit system refers to public shared transportation, such as trains, buses, ferries etc that can commute a larger number of passengers from origin to destination on a no-reserved basis and in lesser time. It can also be termed as Public Transport.
Presentation on
Railway STATION LAYOUT
it 's Define of Railway Station
• A Railway Station or a Railroad Station and often shortened to Just Station, is a Railway facility where trains regularly stop to load or unload passengers and/or freight/goods.
• To enable the trains on a single line track to cross from opposite directions.
• To enable the following express trains to overtake
• For taking diesel or coal and water for locomotives
• For detaching engines and running staff
• For detaching or attaching of compartments and wagons
• For sorting of bogies to form new trains, housing of locomotive in loco sheds.
ALIGNMENT OF RAILWAY LINE |ALIGNMENT OF RAILWAY TRACK |RAILWAY ENGINEERINGEduHUBOnline
Video LINK of PPT(Must WATCH for better Experience):-
https://www.youtube.com/watch?v=T1Dts33EMMA
This Presentation/Pdf/video is about the Alignment of railway lines which is a part of railway engineering. Here we are going to discuss about the alignment of the railway track, criteria for it.
Alignment of railway line refers to the direction and position given to the centerline of the railway track on the ground in the horizontal and vertical planes. Horizontal alignment means the direction of the railway track in the plan including the straight path and the curves it follows. Vertical alignment means the direction it follows in a vertical plane including the level track, gradients, and vertical curves. The various factors affecting alignment, and types of track alignments and their suitability in different terrains are discussed in this video.
Different topics discussed are: -
Types of Railway Projects
Proper planning and Alignment of the railway line
Alignment of Railway Line
Horizontal alignment & Vertical alignment
Importance of Good alignment
Railway Line Constructions
The various factors affecting alignment, and types of track alignments
Basic Requirements of an Ideal Alignment
Selection of a Good Alignment
Economic Considerations of railway alignment
This video will be very helpful for all students of civil engineering who are going to study railway engineering, students who are looking to make a career in civil engineering, and for general knowledge about railway also, and also for civil engineering students preparing for govt exams.
#railwayengineering #alignmentofrailwayline
Brief Introduction of
* Purposes of railway station
* Site selection for railway station
* Requirements of railway station
* Classification of stations
* Classification of Yards
In this presentation all concepts, needs of urban mass transportation system is explained in well manner. after seeing this presentation you can be able to answer all questions related to mass transportation syatem.
A highway is any public or private road or other public way on land. It is used for major roads, but also includes other public roads and public tracks: It is not an equivalent term to controlled-access highway, or a translation for autobahn, autoroute, etc.
In North American and Australian English, major roads such as controlled-access highways or arterial roads are often state highways (Canada: provincial highways). Other roads may be designated "county highways" in the US and Ontario. These classifications refer to the level of government (state, provincial, county) that maintains the roadway.
In British English, "highway" is primarily a legal term. Everyday use normally implies roads, while the legal use covers any route or path with a public right of access, including footpaths etc.
The term has led to several related derived terms, including highway system, highway code, highway patrol and highwayman.
The term highway exists in distinction to "waterway".
Mass transit system refers to public shared transportation, such as trains, buses, ferries etc that can commute a larger number of passengers from origin to destination on a no-reserved basis and in lesser time. It can also be termed as Public Transport.
Presentation on
Railway STATION LAYOUT
it 's Define of Railway Station
• A Railway Station or a Railroad Station and often shortened to Just Station, is a Railway facility where trains regularly stop to load or unload passengers and/or freight/goods.
• To enable the trains on a single line track to cross from opposite directions.
• To enable the following express trains to overtake
• For taking diesel or coal and water for locomotives
• For detaching engines and running staff
• For detaching or attaching of compartments and wagons
• For sorting of bogies to form new trains, housing of locomotive in loco sheds.
A highway pavement is a structure consisting of superimposed layers of processed materials above the natural soil sub-grade, whose primary function is to distribute the applied vehicle loads to the sub-grade. The pavement structure should be able to provide a surface of acceptable riding quality, adequate skid resistance, favorable light reflecting characteristics, and low noise pollution.
It will give you a fundamentals on different types of map and an introduction on topographic mapping.
This presentation is made for my report in Basic Geography Class
Introduction to Underground Structures _ Building Structureshegdenisarga23
Underground infrastructure refers to any physical infrastructure that is placed beneath the surface.
The space created below the ground surface. Underground space is available almost everywhere, which may provide the
site for activities or infrastructure that are difficult or impossible to install aboveground
or whose presence aboveground is unacceptable or undesirable. Another
fundamental characteristic of underground space lies in the natural protection
it offers to whatever is placed underground. This protection is simultaneously
mechanical, thermal, acoustic, and hydraulic (i.e., watertight). It is effective
not only in relation to the surface, but also within the underground space itself.
Thus underground infrastructure offers great safety against all natural disasters
and nuclear wars, ultraviolet rays from holes in the ozone layer, global warming,
electromagnetic pollution, and massive solar storms. Increasing population and the developing needs and aspirations of humankind
for our living environment require increasing provision of space of all
kinds. This has become a high priority for most “mega cities” since the closing
years of the 20th century. The world’s population is becoming more urbanized,
at an unprecedented pace.
In different countries, various facilities have been built underground. These
facilities include:
● Underground parking space
● Rail and road tunnels
● Sewage treatment plants
● Garbage incineration plants
● Underground mass rapid transport systems, popularly known as “underground
metro”
● Underground oil storage and supply systems (through pipelines in tunnels)
● Underground cold storage
● Hydroelectric projects with extensive use of underground caverns and
tunnels
In the primitive ages, beginning roughly three million years ago, from the time
human beings first existed on earth to the Neolithic age of approximately 3000
B.C., underground space was used in the form of cave dwellings so that people
could protect themselves from the threats posed by natural (primarily climatic)
hazards. The world’s biggest cave is 207 m high and 152 m wide in a Vietnam
forest. This Hang Son Doong cave is larger than the Dear cave in Sarawak,
Malaysia, which is more than 100 m high and 90 m wide. Following this period,
in ancient times from roughly 3000 B.C. to A.D. 500, which spanned the civilizations
of Egypt, Mesopotamia, Greece, and Rome, technology employed in
the construction of tunnels progressed considerably.
The earliest examples of underground structures in India were in the form of
dwelling pits cut into the compacted loess deposits in Kashmir around 3000 and
500 B.C. This was brought to light by the Archaeological Survey of India (ASI)
during excavations in 1960. These pit houses were found to provide excellent protection
against cold and severe winter weather as well as the heat of summer. They
also offered protection against external attack. Dwellings dating back to 1600 B.C.
were also noted at Nagarjuna Konda in Andhra
Hill road definition, Design Issue of Hill Road, Special Consideration Hill road, Route Selection, Alignment- Hill Road, Engineering Data-Hill Road, Geometric Design- Hill Road, Hair Pin Bends, Hill Road Capacity, Set back Distance, IRC Codes- Hill Road design, IRC Code- Hill road Drainage, Hill road-Protective Works, Hill road- Drainage, Hill road- Maintenance, Hill road- Standard References
Metro Manila, the Philippines, serving as the junction between the South Luzon Expressway (SLEx) and Epifanio de los Santos Avenue (EDSA). It is also an interchange between the 2 train lines of Metro Manila, the MRT-3, which is over EDSA, and the PNR Metro Commuter, beside SLEx.
ROAD CONSTRUCTION (FLEXIBLE & RIGID) - SLIDES.pdfDanielWisman1
Main segments of road pavement
– Flexible pavement :Advantages & Disadvantages
– Rigid pavement: Advantages & Disadvantages
• Selected flexible road project
• Selected rigid road project
Flexible pavements are composed of a bituminous material surface course, underlying base and sub base course.
Rigid pavement is laid in slabs with steel reinforcement.
•The rigid characteristic of the pavement are associated with rigidity or flexural strength
Similar to Highway engineering at high altitudes (20)
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.
Explore the innovative world of trenchless pipe repair with our comprehensive guide, "The Benefits and Techniques of Trenchless Pipe Repair." This document delves into the modern methods of repairing underground pipes without the need for extensive excavation, highlighting the numerous advantages and the latest techniques used in the industry.
Learn about the cost savings, reduced environmental impact, and minimal disruption associated with trenchless technology. Discover detailed explanations of popular techniques such as pipe bursting, cured-in-place pipe (CIPP) lining, and directional drilling. Understand how these methods can be applied to various types of infrastructure, from residential plumbing to large-scale municipal systems.
Ideal for homeowners, contractors, engineers, and anyone interested in modern plumbing solutions, this guide provides valuable insights into why trenchless pipe repair is becoming the preferred choice for pipe rehabilitation. Stay informed about the latest advancements and best practices in the field.
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
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.
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4. INTRODUCTION
• A country's progress is defined by it’s road
network.
• Constructing and maintaining the roadways in the
HIGH ALTITUDE REGIONS have been a major
challenge for the engineers. Almost every
monsoon, roadways get blocked due to landslide
and in winter time roadways get blocked due to
heavy snowfall.
• The HIGH ALTITUDE REGIONS are characterized
by extremely steep and rugged slopes.
5. Contd………
• The requirement of constructing roadways near
HAAs region was felt during the 1950s when it
was found that the lofty Himalayan Mountains
were no longer effective as a natural protective
wall.
• BRO has till date constructed 28,342 km of
formation cutting, 32,885 km of surfacing, 12,200
metres of permanent bridges and has undertaken
Rs 2039 crore worth of permanent works. Over
75 per cent of BRO’s road construction projects
are in High Altitude Areas (HAAs). It is presently
building 2,764 km of a total of 5,061 km road
length in India’s north-eastern state of Arunachal
Pradesh alone.
6.
7. Categories of roadway construction based on
geographical and regional considerations:
• Roadway construction in normal terrain and
weather condition
• Roadway constructions in extremely hot
weather condition
• Roadway construction in hilly areas
• Roadway construction in extremely cold
weather condition including at high altitudes.
12. • The special attention and treatment for roadway
construction at high altitudes starts right from
> mobilization of resources,
> selection of camping sites,
> suitably insulated accommodation,
> selection and procurement of machinery and equipment
> right type of fuel
> lubricants for the machinery and vehicles,
> appropriate grade of bitumen
> suitable type of cement properly acclimatized workers,
> suitable clothing’s and gear for the workers
13. DESIGN ASPECT
• While designing HAAs roads special consideration such
as, balanced cut and fill with a retaining wall, use of
reinforced soil to minimize earthworks and provision of
adequate erosion control measures.
• Geometric design for transportation facilities includes
the design of
> Geometric cross sections
> Horizontal alignment
> Vertical alignment
> Superelevation
> Intersections
• the goals of geometric design are to maximize the
comfort, safety, and economy of facilities, while
minimizing their environmental impacts.
16. DESIGN ASPECT
• Superelevation = e = (v2/gR)-f
• The regions falling in extremely cold weather
conditions experience frequent snowfalls
during winters and sometimes even after the
winters or before the onset of winter.
• In the road sections susceptible to snowfall,
the road alignment, as far as practicable,
should be fixed on the sunny race.
18. Contd……….
• In heavy snowfall reaches, special structures such
as snow galleries and avalanche control
structures are constructed to allow the snow
mass to slide over the gallery roof without
inducing impacts of loads on the road structure.
• During thawing season, there is heavy discharge
of water in the drains due to melting of snow
causing erosion to the sides and the bed of the
drain.
• So we should provide lined drains in the snowfall
reaches of the road.
19. Contd...
• The penetration grade of the bitumen for the
pavement and the job mix design for the
bituminous works as also for the concrete
works have to be selected taking into
consideration the ambient temperature and
the working conditions prevailing in the area.
• Use of polymers in the bituminous mix help as
crack resistant and anti strapping agents.
20. CONSTRUCTION ASPECTS
• The low temperature poses numerous construction
problems, particularly for the bituminous and concrete
works.
• In case of construction of embankments and subgrade,
excavation becomes difficult as the earthen layers
immediately below the surface are found to be frozen.
• The bituminous works or concrete works are not to be
undertaken when the rising ambient temperature is <
5oC or the falling temperature is < 10oC.
• Due to rapid loss in temperature of bituminous mix,
the mixing plant should be located very close to the
work site.
21. Contd…
• To complete the compaction within very short duration
after spreading of the mix, we need adequate extra
compaction equipment i.e. tandem rollers, vibratory
rollers, pneumatic rollers.
• The experience from concreting at normal temperature
cannot be used directly under the cold weather
condition, as the hardening period before removal of
formwork is increased in this case.
• Timber formwork is preferable over the steel formwork
in cold weather condition and at high altitudes.
• To get the required strength in short period we can use
rapid hardening Portland cement or accelerating
admixtures.
22. Contd…..
• Normally, warm water is used for preparing
the concrete mix.
• During periods of freezing or near freezing
conditions, water curing is not necessary.
• 'Set-Accelerating' ADMIXTURE are used.
23. Contd..
• Materials used for the insulation of concrete from
cold and also for the curing of concrete are:
--insulating board.
--saw dust.
--timber planks.
--damp sand.
--wheat stalks.
--commercial blanket.
24. Factors affecting the roadways
construction at high altitudes
• The Himalayan regions are characterized by extremely
steep and rugged slopes with frequent landslides.
• Some of the factors identified to be responsible for the
frequent landslides in these regions are
steep slopes
toe erosion by rivers
heavy rainfall
melting of snow at high altitude
loss of vegetation
earthquake
mining
unplanned urbanization
26. MAINTENANCE
• In the snow affected areas, special recovery loams
comprising of cranes and trained crews are to be
positioned at identified location to remove the
accidental vehicles.
• Transverse cracks appearing on the wearing course
surface must be sealed or repaired periodically.
• Common salt or calcium chloride can be used for snow
melting.
• Roadside drains and opening of culverts must be
cleaned periodically.
• Resources are to be positioned for clearing the slides.
• Special goggles are to be provided to the workers to
protect against the snow glare.
27. Road heating system
• Road heating systems have been in development for
some years, with variations undergoing trials and in
operational use.
• Trials in the UK are being undertaken using
underground “energy reservoirs” which transfer solar
energy collected from the road surface into useable
power. Stored heat from the collectors can then be
used to heat the road in winter, helping prevent the
build-up of ice and snow.
• Gas-fired systems use gas supplied by a utility provider,
and as such are usually a less expensive option. Snow
and ice is melted by sending antifreeze that has been
warmed by a boiler through special nylon resin piping
via circulating pump.
28. “A word for change”
Solar Roadways
Generally the Solar Roadways will:-
1. Create an intelligent, secure highway infrastructure that pays for itself.
2. Create an intelligent, secure, decentralized, self-healing power grid.
3. Eliminate the need for coal-fired or nuclear power plants.
4. End our dependency on oil and other fossil fuels (oil, coal and natural
gas).
5. Cut our nation’s greenhouse gas emissions by over 50%.
6. Provide safer driving conditions.
7. Snow & ice management
8. Traffic management
9. Wild life protection
10. National security
11. Usage of recycled material
29. Contd…
• Each Solar Road Panel uses some of its own
power to light up embedded LEDs, which “paint”
the road lines from beneath the road surface.
This feature also allows messages to be spelled
out on the road surface, such as “SLOW DOWN”,
or “ACCIDENT AHEAD”. Road lines can be instantly
“repainted” to direct traffic to a single lane or to
detour. This eliminates the need for cones or
flares. Better visibility at night with the road lines
illuminated, it will be like driving on a well-lit
runway.
31. Conclusion
• The idea is to design and maintain a feasible
roadway at high altitude areas, which will be able
to structurally withstand traffic loading and
operate as a test platform for future structural
testing. This can be accomplished by assessing
the overall design requirements of such roadway
and working through each major segment of the
design. Setting up of a network of new roads is
essential in the so far inaccessible highlands
especially in the Himalayan regions, and to
introduce new technology.
32. Reference
• Wikipedia.org/highway engineering
• Google.com/road construction at high altitude
• LANDSLIDES - INVESTIGATIONS AND MITIGATION IN
EASTERN HIMALAYAN REGION A. SENGUPTA* , S. GUPTA** &
K. ANBARASU**