On a vertical alignment a +10 % grade (back tangent) meets a -4% grade (forward tangent) at station 30+00. A 1,000 foot (10 stations) vertical curve is placed at the PVI so that the PVC is at station 25+00 and at an elevation of 150.00 feet. The vertical curve elevation at station 28+00 is most nearly.(A) 173.7 Feet(B) 177.3 Feet(C) 177.9 Feet(D) 182.7 Feet -Answer (A)

Initial grade, G1 = 10%Final grade, G2 = -4%Length of the curve, L = 1000 ftElevation of PVC, e =…

Answered: On a vertical alignment a +10 % grade…

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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On a vertical alignment a +10 % grade (back tangent) meets a -4% grade (forward tangent) at station 30+00. A 1,000 foot (10 stations) vertical curve is placed at the PVI so that the PVC is at station 25+00 and at an elevation of 150.00 feet. The vertical curve elevation at station 28+00 is most nearly.

(A) 173.7 Feet

(B) 177.3 Feet

(C) 177.9 Feet

(D) 182.7 Feet

-Answer (A)

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