A 160m long parabolic curve connects a -8% grade to a +2% grade. These grades intersect at Sta. 1+240 with elevation of 14.87m. Find the elevation and station of the lowest/highest point on the curve and at the first quarter point of the curve. (SHOW FIGURE)

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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A 160m long parabolic curve connects a -8% grade to a +2% grade. These grades intersect at Sta. 1+240 with elevation of 14.87m. Find the elevation and station of the lowest/highest point on the curve and at the first quarter point of the curve. (SHOW FIGURE)
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