Civil Engineering - Highway Engineering - Discussion

Discussion Forum : Highway Engineering - Section 5 (Q.No. 42)
42.
Extra widening required at a horizontal curve on a single lane hill road of radius 80 m for a design speed of 50 km ph and for a vehicle with wheel base 6.0 m is
0.225 m
0.589 m
1.250 m
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
21 comments Page 2 of 3.

Sakariya said:   4 years ago
@UKP.

But for hill road widening is provided fully on the inner side, not half.

Ajay Sharma said:   5 years ago
Option A correct in single-lane road only mechanical widening is considered.
(2)

Er. Manish Katoch said:   8 years ago
X= (18n/R)+(0.1+V/ -^R).
n = No. Of lanes,
R = Radius,
V= speed of vehicle.

Rajan Rao said:   5 years ago
Wps=V/9.5*√R.
Wps=50/9.5*√80=0.589
So answer =B.
(1)

Shaurya said:   8 years ago
I think the answer is A because for single lane.

Wpsy =0.

Priya said:   8 years ago
I think the Total widening is L2/2R+V2/9.5*rutR.

Gagan said:   1 decade ago
This is only psychological widening.

Akki said:   6 years ago
Thanks for explaining @Balli Singh.

Kalyan said:   5 years ago
Yes, right, Thanks @Ukp.

Lakshmi Narayana said:   9 years ago
Here, W =nL^2/2R.


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