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A vertical road was designed with three tangent lines having a grade of 7.5%, -3.9%, and 3.2%, consecutively. The intersections of the three lines are known to be V1 and V2 having an elevation of 228.69m and 200.01m respectively. The said tangent lines will be connected by a summit and a sag unsymmetrical parabolic curve which meets at point A having an elevation of 216.92m above sea level. The L1 of the summit curve is 105.97m and the maximum offset of the sag curve is 0.79 multiplied to the maximum offset of the summit curve. Point A is located at the fine that connects the two vertices. What is the elevation at the beginning of the road in meter?

A vertical road was designed with three tangent lines having a grade of 7.5%, -3.9%, and 3.2%, consecutively. The intersections of the three lines are known to be V1 and V2 having an elevation of 228.69m and 200.01m respectively. The said tangent lines will be connected by a summit and a sag unsymmetrical parabolic curve which meets at point A having an elevation of 216.92m above sea level. The L1 of the summit curve is 105.97m and the maximum offset of the sag curve is 0.79 multiplied to the maximum offset of the summit curve. Point A is located at the fine that connects the two vertices. What is the elevation at the beginning of the road in meter?

Structural Analysis
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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A vertical road was designed with three tangent lines having a grade of 7.5%, -3.9%, and 3.2%, consecutively. The intersections of the three lines are known to be V1 and V2 having an elevation of 228.69m and 200.01m respectively. The said tangent lines will be connected by a summit and a sag unsymmetrical parabolic curve which meets at point A having an elevation of 216.92m above sea level. The L1 of the summit curve is 105.97m and the maximum offset of the sag curve is 0.79 multiplied to the maximum offset of the summit curve. Point A is located at the line that connects the two vertices. What is the elevation at the beginning of the road in meter?
Transcribed Image Text:A vertical road was designed with three tangent lines having a grade of 7.5%, -3.9%, and 3.2%, consecutively. The intersections of the three lines are known to be V1 and V2 having an elevation of 228.69m and 200.01m respectively. The said tangent lines will be connected by a summit and a sag unsymmetrical parabolic curve which meets at point A having an elevation of 216.92m above sea level. The L1 of the summit curve is 105.97m and the maximum offset of the sag curve is 0.79 multiplied to the maximum offset of the summit curve. Point A is located at the line that connects the two vertices. What is the elevation at the beginning of the road in meter?
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