The length of the curve on the side of the back tangent of an unsymmetrical parabolic curve is 80 m and that of the side of the forward tangent is 100 m. If the forward tangent has a slope of -5% and the back tangent of 6%. Compute the elevation of the curve at the maximum point if P.I is at sta. 0 + 100 whose elevation is 120.35 m. a. 110.67 m b. 117.91 m c. 131.23 m d. 114.56 m

Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter15: Geometric Design Of Highway Facilities
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The length of the curve on the side of the back tangent of an unsymmetrical parabolic curve is 80 m and that of the side of the forward tangent is 100 m. If the forward tangent has a slope of -5% and the back tangent of 6%. Compute the elevation of the curve at the maximum point if P.I is at sta. 0 + 100 whose elevation is 120.35 m. 
a. 110.67 m
b. 117.91 m
c. 131.23 m
d. 114.56 m
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