Problem 1. Find the lift force (F) needed to open the arc gate. The diameter of the arc gate is 9m, the width of the gate is 10m, the total weight of the gate and the supporting truss is 117.6X10³N. The horizontal distance between the center F 9m 10m A 7m 1176x10³N 0 of gravity of the gate and the truss and point O (the center of gate hinge) is 7m. The center of the arc is point A. Neglecting all friction.

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Problem 1. Find the lift force (F) needed
to open the arc gate. The diameter of the
arc gate is 9m, the width of the gate is
10m, the total weight of the gate and the
supporting truss is 117.6X10³N. The
horizontal distance between the center
F
9m
10m
A
7m
1176x10³N
0
of gravity of the gate and the truss and point O (the center of gate hinge) is 7m. The center
of the arc is point A.
Neglecting all friction.
Transcribed Image Text:Problem 1. Find the lift force (F) needed to open the arc gate. The diameter of the arc gate is 9m, the width of the gate is 10m, the total weight of the gate and the supporting truss is 117.6X10³N. The horizontal distance between the center F 9m 10m A 7m 1176x10³N 0 of gravity of the gate and the truss and point O (the center of gate hinge) is 7m. The center of the arc is point A. Neglecting all friction.
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