my topic for seminar is construction challenges for bridges in hilly areas . i want some useful information on that . u can send me links of some useful sites or any ppt or doc already with u .. ....etc

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free ppt of tunnels

A tunnel is an underground or underwater passageway, dug through the surrounding soil/earth/rock and enclosed except for entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube construction techniques rather than traditional tunnel boring methods.
A tunnel may be for foot or vehicular road traffic, for rail traffic, or for a canal. The central portions of a rapid transit network are usually in tunnel. Some tunnels are aqueducts to supply water for consumption o ....etc

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to get information about the topic earthquake resistant techniques full report ,ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-advanced-earthquake-resistant-design
....etc

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i am hitesh mishra,sir please send seminar of pamban railway bridge with ppt,'construction details,objectives,advantages,foundation details,history,length..
please sir its very urgent for presenting seminar..

email:[email protected]
....etc

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Robotic System for Fire Fighting in Tunnels

Laura Celentano, Bruno Siciliano and Luigi Villani
Dipartimento di Informatica e Sistemistica
Universit a degli Studi di Napoli Federico II
Via Claudio 21, 80125 Napoli, Italy



Abstract

The problem of safety in tunnels is considered,
with particular concern to the vulnerability to fire. The important
role that robotics may play for fire fighting and preventing
is outlined and a robotic system, purposely designed for
tunnels, is presented. The ....etc

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Pune - Satara Section of the National Highway NO.4 passes through Katraj Spur of the Western Mountain Range between Pune and Shirwal. Existing highway is a two-lane road with quite a few sharp bends and steep sections. Existing highway also passes through a 275 m long two-lane tunnel located in the Katraj Spur. In view of the space limitations it was considered that straightening out existing sharp curves was almost an impossible task. Further, it was considered that any work on the existing highway would cause hindrance to the present day heav ....etc

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This article is presented by:
TAN WEE LENGThe Application of Lean Construction to Reduce
Wastes in Construction Process Flow

ABSTRCT
There are a lot of non-value adding activities or wastes in construction practices and many among those were left unnoticed or unattended. Previous studies have shown that there were significant amounts of values loss due to construction process flow wastes and tremendous productivity improvements can be achieved by s ....etc

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sub merged floating tunnels

Abstract
Several crossings with a variety of different conditions under which a Submerged Floating Tunnel, SFT or Archimedes Bridge, may be used. However, swell, vortex shedding and slowly varying internal waves due to layers of different salinity presented a hazard of significant dynamic oscillations. In addition to the challenge of these various conditions some common accidental situations have to be solved for all applications including fire, sinking ships, falling anchors as well as sudden massive water ingress ....etc

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use waste tyres road construction ppt

Abstract

Now-a-days it is necessary to utilize the wastes effectively with technical development in each field. The old abandoned tyres from cars,trucks,farm and construction equipment and off-road vehicles are stockpiled throughout the country. This leads to various environmental problems which include air pollution associated with open burning of tyres and other harmful contaminants like (polycyclic aromatic hydrocarbon, dioxin, furans and oxides of nitrogen) and aesthetic pollution. They are non-biodeg ....etc

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earthquake resistant construction of r c c building and construction practices seminar pdf

Earthquake-resistant structures are structures designed to withstand earthquakes. While no structure can be entirely immune to damage from earthquakes, the goal of earthquake-resistant construction is to erect structures that fare better during seismic activity than their conventional counterparts.

According to building codes, earthquake-resistant structures are intended to withstand the largest earthquake of a certain probability that is likely to occu ....etc

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