Answered: A symmetrical parabolic summit curve…

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

A symmetrical parabolic summit curve connects two grades of +6% and -4%. It is to pass through a point, p, the stationing of which is 35 + 280 and the elevation is 198.13 m. If the elevation of the grade intersection is 200 m. with stationing 35 + 300,

1. Determine the length of the curve.

a. 120 m

b. 167 m

c. 234 m

d. 436 m

2. Determine stationing of P.C.

a. 35 + 260

b. 35 + 240

c. 35 + 160

d. 35 + 120

3. Determine elevation of P.C.

a. 324.30 m

b. 167.40 m

c. 523.40 m

d. 196.40 m

4. determine the location of the highest point on the curve from P.C.

a. 84 m

b. 57 m

c. 72 m

d. 66 m

5. determine elevation of station 35 + 260 on the curve..

a. 132.43 m

b. 157.85 m

c. 197.43 m

d. 162.46 m

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