6) Problem 2. A vertical curve is located along the north-south bound direction at anintersection, as shown below. The north-bound approach is marked by an arrow. Answer the followingquestions:Lane 2Lane 1North-bound(a) The vertical curve has an initial grade (G₁) of +3%. The exiting grade (G₂) is -2.5%. The verticalcurve length is 350 ft. Design speed is 45 mph. Is this curve safe in terms of stopping sightdistance (SSD)? (b) Where is the highest point of the curve, as measured from PVC?

The initial grade, G1 = +3% The final grade, G2 = -2.5% The vertical curve length, L = 350 ft The…

(a) The vertical curve has an initial grade (G₁) of +3%. The exiting grade (G₂) is -2.5%. The vertical curve length is 350 ft. Design speed is 45 mph. Is this curve safe in terms of stopping sight distance (SSD)?

(a) The vertical curve has an initial grade (G₁) of +3%. The exiting grade (G₂) is -2.5%. The vertical curve length is 350 ft. Design speed is 45 mph. Is this curve safe in terms of stopping sight distance (SSD)?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

6) Problem 2. A vertical curve is located along the north-south bound direction at an
intersection, as shown below. The north-bound approach is marked by an arrow. Answer the following
questions:
Lane 2
Lane 1
North-bound
(a) The vertical curve has an initial grade (G₁) of +3%. The exiting grade (G₂) is -2.5%. The vertical
curve length is 350 ft. Design speed is 45 mph. Is this curve safe in terms of stopping sight
distance (SSD)?

(b) Where is the highest point of the curve, as measured from PVC?

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