SSC JE Civil Engineering 30-Oct-2020 Shift 1 Paper

Question : 188 of 200

Marks: +1, -0

A two-lane road with design speed 60 km / h has a horizontal curve of radius 400 m. What will be the super elevation required to be provided for the mixed traffic conditions at the curve as per IRC 38 - 1998?

8.7%
6.4%
4.0%
7%

Validate

Solution:

Given,
V = 60 kmph, R = 400 m

{\e}={{\V}^{2}}/{225 × {\R}}

Where

{\V}

({\kmph}), {\R}

({\m})

e={(60)^{2}}/{225 ×400}

e=0.04

4 \%

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