Civil Engineering - Highway Engineering - Discussion

Discussion Forum : Highway Engineering - Section 2 (Q.No. 19)
19.
If N is the algebraic difference of grades, S is the head light beam distance in metres, the length (L) of a valley curve, is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
17 comments Page 2 of 2.

GSK said:   6 years ago
The Right answr is NS*2/9.6.
(1)

Kiko said:   6 years ago
I think it's B. NS^2/8H.
And H=0.75m.

Pratik said:   6 years ago
Length of valley curve formula is 0.38*√ nv^2.

How this has come? Please explain.

Zara said:   6 years ago
No option is correct.
(2)

Dhaval said:   5 years ago
Headlight sight distance means stopping sight distance so answer is Ns^2/4.4.

Anirban Roy said:   5 years ago
For valley curves;

L= NS^2÷(1.5+0.035S) ; L>S.
L = 2S - N/(1.5+0.035S); L<S.
(1)

Swaroop Swar said:   4 years ago
The Answer is ns^2/6 For valley curve.
(1)


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