A grade line AB having a slope of -4% intersect another grade line BC having a...

A grade line AB having a slope of -4% intersect another grade line BC having a slope of +2% at B. The elevations of points A, B and C are 93 m, 87 m and 92 m respectively. Determine the:

a) elevation of the sag of the 200 m vertical parabolic curve to connect the grade lines;

b) location of sag from where the curve starts;

c) station of sag if PI is at station 10+20 (format: 00+00.00);

d) vertical distance from point B to curve;

e) elevation at station 09+80.

Solutions

Expert Solution

Grade Diagram is drawn to find elevation between stations.

All parameters and their equations are shown.

Solution is uploaded below.

Ally Wells answered 2 years ago

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