Problem 3. A descending grade of 5% and an ascending grade of 3% intersect at Sta 12 + 200 whose elevation is at 14.375 m. The two grades are to be connected by a parabolic curve, 160 m long. Find the elevation of the first quarter point on the curve. 80 80 40 PC 1t quarter point PT - 5% +3 % Lowest point Elev 14.375 SQ 0.03 0.05 Grade Diagram 0.03 Sz

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Problem 3.
A descending grade of 5% and an ascending
grade of 3% intersect at Sta 12 + 200 whose
elevation is at 14.375 m. The two grades are to
be connected by a parabolic curve, 160 m long.
Find the elevation of the first quarter point on the
curve.
80
80
- 40
PC
1t quarter point
PT
- 5%
+3 %
Lowest point
Elev 14.375
SQ
0.03
0.05
Grade Diagram
0.03
S2
Transcribed Image Text:Problem 3. A descending grade of 5% and an ascending grade of 3% intersect at Sta 12 + 200 whose elevation is at 14.375 m. The two grades are to be connected by a parabolic curve, 160 m long. Find the elevation of the first quarter point on the curve. 80 80 - 40 PC 1t quarter point PT - 5% +3 % Lowest point Elev 14.375 SQ 0.03 0.05 Grade Diagram 0.03 S2
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