Civil Engineering - Highway Engineering - Discussion

48. 

While designing hair pin bends on higways, the minimum

[A]. designed speed is 20 km/hour
[B]. gradient is 1 in 40
[C]. gradient is 1 in 200
[D]. superelevations is 1 in 10
[E]. All the above.

Answer: Option E

Explanation:

No answer description available for this question.

Raghad said: (Aug 8, 2015)  
Please what is the different between B and C?

Hatim Mugenyi said: (Mar 22, 2016)  
I think its Minimum and maximum values considered.

Sree Vidhya said: (Nov 11, 2016)  
It's correct.

Minimum design speed = 20 KMPH.
Minimum length of transition curve = 15m.
Gradient max = 2.5% & min = 0.5%.
Super elevation= 10%.
Minimum Roadway ODR =7.5 (VR = 6.5M).

Himanshu Dabhade said: (Jan 29, 2018)  
Thanks @Sree Vidhya.

Prajyot said: (Apr 12, 2019)  
What is hair pin bends?

Namrata said: (Sep 28, 2020)  
Thanks @Sree Vidhya.

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