Civil Engineering - Highway Engineering - Discussion
Discussion Forum : Highway Engineering - Section 6 (Q.No. 55)
55.
Ruling gradient on hill roads 300 m above M.S.L. is kept
Discussion:
12 comments Page 1 of 2.
Dhnau said:
8 years ago
It's not 300m it is 3000 m above MSL.
Rik said:
8 years ago
Anybody please explain.
Shashi said:
8 years ago
Cross slope of country for mountainous terrain is 25-60%,
So, 300*(1/60).
Ref: Design of Horizontal Alignment.
So, 300*(1/60).
Ref: Design of Horizontal Alignment.
Garry said:
8 years ago
It is 6% for rulling gradient.
Ashu said:
7 years ago
Ruling gradient for mountains region 1 in 20 i.e.5%.
Sudipta biswas said:
7 years ago
Yes, It's not 300m it is 3000 m above MSL,
1. If MSL < 3000 m then ruling gradient 5%.
2. If MSL >3000 m then ruling gradient 6%.
So, the answer is 6%.
1. If MSL < 3000 m then ruling gradient 5%.
2. If MSL >3000 m then ruling gradient 6%.
So, the answer is 6%.
(2)
Harsh Shukla said:
7 years ago
MSL given 300 m , If MSL < 3000m rulling gradient 5%.
(1)
Shivam chouksey said:
6 years ago
Steep terrain up to 3000m height above M.S.L.
For;
Ruling gradient -6%.
Limiting grdn-7%.
Exceptional grdn-8%.
For;
Ruling gradient -6%.
Limiting grdn-7%.
Exceptional grdn-8%.
Umesh said:
5 years ago
Thanks @Sudipta.
Jitendra Wadhwani said:
5 years ago
I think it should be 3000m MSL, and correct Answer is 5%. For terrain more than 3k, 5% and for less than 3k it should be 6%. It is because of breathing issues above 3k MSL so gradient need to be designed a bit flat.
(1)
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