Civil Engineering - Highway Engineering - Discussion

Discussion Forum : Highway Engineering - Section 3 (Q.No. 8)
8.
An upgrade g1% is followed by a downgrade g2%. The equation of the parabolic curve of length L to be introduced, is given by
Answer: Option
Explanation:
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Discussion:
3 comments Page 1 of 1.

Arup said:   5 years ago
n2 is a downward gradient.

Chandru said:   5 years ago
Equation of parabolic curve y=(NX2)/(2L).

Where N is gradient N=n1-n2.
n1 is positive for downward gradient.
n2 is negative for upward gradient.
So N=g1-(-g2).
N=g1+g2.
Finally y=(g1+g2)X2/(2L).

Pranav Bhatkar said:   6 years ago
Give me the explanation in detail.

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