Civil Engineering - Highway Engineering - Discussion

Discussion Forum : Highway Engineering - Section 2 (Q.No. 23)
23.
The absolute minimum sight distance required for stopping a vehicle moving with a speed of 80 km ph, is
120 m
200 m
640 m
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
15 comments Page 2 of 2.

Sarang mote said:   9 years ago
What is the lag distance?

Jitendra singh said:   9 years ago
Lag distance = vt.
V = m/ s.
T = sec.

Salman mohammed said:   9 years ago
SSD = 0.27vt + v.v/254(f +-g/100).

Where t = 2.5.
f = b/n 0.43 and 0.4 interpolate.

So to answer the question in meter we must use this equation.

Ankur said:   9 years ago
How to predict the value of f in such cases?

Dipunku said:   5 years ago
The correct answer is 127.6m.


Post your comments here:

Your comments will be displayed after verification.