5 Purposes of Providing Superelevation in Roads
Following are the 5 purposes or advantages of providing superelevation on the curve portion of a road.
Following are the 5 purposes or advantages of providing superelevation on the curve portion of a road.
Facilities Required at Railway Stations: 1. Public Requirements, 2. Traffic Requirements, 3. Requirements of locomotive department, 4. General Requirement
The angle which is formed between the gauge faces of the Vee is known as the crossing angle or angle of the railway crossing.
Switch angle or angle of switch divergence is defined as the angle formed between the gauge lines of the stock rail and tongue rail(Switch rails).
The curvature greater than 3 degrees are considered to be sharp curves. In order to correct the curvature, it is desirable to bend the rails.
The size of the ballast used in railway track varies from 1.9 cm to 5.1 cm. The stone of size larger than 5.1 cm is not preferable due to poor interlocking property.
Moorum Ballast The moorum is a soft aggregate, it is a form of laterite after decomposition. It has red and
Floating Gradient The gradient on which a motor vehicle moving with a constant speed continues to descend with the same
The coefficient of permeability of soil(K) can also be computed from several empirical formulae, which are given below:
1. Jaky’s Formula.
2. Allen Hazen’s Formula.
3. Terzaghi’s Formula.
4. Kozney’s Formula.
5. Louden’s Formula
In this article, we are going to discuss about the capillarity permeability test or the horizontal capillarity test, which is another one method used for determining the coefficient of permeability as well as the value of capillarity height of the soil sample.