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The minimum value of camber provided for thin bituminous surface hill roads, is
Thin bituminous surface 1÷40 = 0.025.
0.025 convert to %.
So 0.025*100 = 2.5%.
The minimum value of camber provided for thin bituminous surface hill roads, is
Thin bituminous surface 1÷40 = 0.025.
0.025 convert to %.
So 0.025*100 = 2.5%.
Width of formation for village roads in mountainous areas is
Minimum right of way required for a village road in open area is
Recommended right of way for highways in open areas is
In steep terrain ruling gradient is limited to. 1 in 25.
In geometric design of roads height of sight distance of a driven is taken as above road surface
For finding stopping distance of a vehicle, the height of line of sight of driver and height of line of obstacle on road are taken as_____respectively.
The stopping sight distance in metres for Indian highways for upward slope i is
where v = speed in kmph
t = time of perception and response
f= coefficient of friction
The main objective of a good transportation system is to provide safe economical, efficient transportation for the facility of passengers and the transport of goods.
If speed of vehicle is about 100 kmph IRC recommended value of coefficient of friction is
IRC recommended the value of the coefficient of friction (f) as 0.35 for a design speed of 100 kmph.
To overtake a vehicle going at 40 kmph on two lane highway OSD is
To overtake a vehicle going at 80 kmph on a twolane highway overtaking sight distance is
Sight distance at intersection should be equal to
Sight distance at intersection should be at least along the minor road.
If design speed of a main road is 100 kmph, the sight distance at intersection should be at least
If the cross slope of terrain is 15, it is classified as
Explanation:
upto 10% : plain
between 10% and 25%: Rolling between 25% and 60% : mountaineous more than 60% : Steep.
If the cross slope of a terrain in 35% it is classified as
When a vehicle weighing W traces a horizontal curve of radius R with uniform velocity v it is
subjected to a centrifugal force
When a vehicle traces a horizontal curve, it is subjected to centrifugal force in direction.
A vehicle weighs 50 kN when empty. Its minimum velocity for skidding on a curve is v. If it is weighing 100 kN so that centroid remains at the same height when loaded, it; minimum velocity for skidding on a curve is
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