Problem A grade line AB having a slope of +5% intersect another grade line BC having a slope of -3% at B. The elevations of points A, B and C are 95 m, 100 m and 97 m respectively. Determine the elevation of the summit of the 100 m parabolic vertical curve to connect the grade lines. A. 98.32 m B. 99.06 m C. 97.32 m D. 96.86 m
Problem A grade line AB having a slope of +5% intersect another grade line BC having a slope of -3% at B. The elevations of points A, B and C are 95 m, 100 m and 97 m respectively. Determine the elevation of the summit of the 100 m parabolic vertical curve to connect the grade lines. A. 98.32 m B. 99.06 m C. 97.32 m D. 96.86 m
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter15: Geometric Design Of Highway Facilities
Section: Chapter Questions
Problem 7P
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![Problem
A grade line AB having a slope of +5% intersect another grade line BC having a slope
of -3% at B. The elevations of points A, B and C are 95 m, 100 m and 97 m
respectively. Determine the elevation of the summit of the 100 m parabolic vertical
curve to connect the grade lines.
A. 98.32 m
B. 99.06 m
C. 97.32 m
D. 96.86 m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1d2b9bde-3752-4f4f-bbd1-ade62b8a1470%2Fca2f8e52-4c9b-400b-95ee-2be0b3737e82%2Fcnkipqf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Problem
A grade line AB having a slope of +5% intersect another grade line BC having a slope
of -3% at B. The elevations of points A, B and C are 95 m, 100 m and 97 m
respectively. Determine the elevation of the summit of the 100 m parabolic vertical
curve to connect the grade lines.
A. 98.32 m
B. 99.06 m
C. 97.32 m
D. 96.86 m
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