Civil Engineering - Highway Engineering - Discussion

Discussion Forum : Highway Engineering - Section 1 (Q.No. 5)
5.
The total length of a valley formed by two gradients - 3% and + 2% curve between the two tangent points to provide a rate of change of centrifugal acceleration 0.6 m/sec2, for a design speed 100 km ph, is
16.0 m
42.3 m
84.6 m
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
30 comments Page 3 of 3.

Dame abebe said:   8 years ago
Yes, L =84.60 so option "C" is the answer.

SANDI said:   8 years ago
L = 2X(NV3/C)^.5,
N = .05,
V = 27.78,
L = 84.498.
(1)

Nitin said:   1 decade ago
N is sum of upward & downward gradient.

Santhi said:   10 years ago
Here v is the design speed of the vehicle.

Ravindra said:   9 years ago
@Alik Biswas, Well. Here, 'c' means what?

Adikeri said:   9 years ago
Not understanding. Explain in detail.

Harpreet singh said:   10 years ago
I don't understand. Please explain.
(1)

Tarun said:   1 decade ago
V = 1km/hr*5/18 is m/s.

Nikhil said:   10 years ago
What is mean by V?

VAMSI said:   8 years ago
Answer is C.
(1)


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