Question

What will be the superelevation to be provided for a horizontal curve with a radius of 800 m for a design speed of 1000 kmph such that pressure on the inner and outer wheels in equal ?

• A. 0.055
• B. 0.098
• C. 0.044
• D. 0.070

Answer 1

The correct option is B 0.098

The superelevation that causes equal pressure on inner and outer wheel is called equilibrium superelevation.

$e=\frac{V^2}{127R}$

$=\frac{{100}^2}{127\times 800}$

$=0.098$