Civil Engineering - Highway Engineering - Discussion

Discussion Forum : Highway Engineering - Section 1 (Q.No. 8)
8.
If the ruling gradient on any highway is 3%, the gradient provided on the curve of 300 metre radius, is
2.00%
2.25%
2.50%
2.75%
3.00%
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
63 comments Page 4 of 7.

Jitendra Singh said:   8 years ago
Grade compensation = 75/r = 75/300 = 3 - 0.25 = 2.75%.

Kishor said:   8 years ago
What is maximum & minimum gradient according to IRC?

1:60, 1:75gradient is wrong or right according to IRC?

Rahul R M said:   8 years ago
As per IRC, NO grade compendsation is provided for gradient lesser than 4%. So answer is E.

Sravanthi said:   8 years ago
Thanks for all the given explanation.

Virendra singh said:   8 years ago
Thanks, for this explanation.

Sabin Acharya said:   8 years ago
As per NRC-2070 grade compensation only required when the gradient of the road is greater than 4% and i.e (30+R)/30, where R is a curve radius in m. And maximum permissible grade compensation is 75/R.

RAJESH said:   8 years ago
Grade compensation only required when the gradient of the road is greater than 4%.

Ramu said:   8 years ago
How the value 75 will come?

Dineshkumar said:   8 years ago
According to IRC, a grade compensation of, (30+R/R) , maximum 75/R has to be provided for the grades more than 4%.

Uday said:   8 years ago
Correct option E.

No compensation flatter than 4%.


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