Question: The concrete dam is designed so that its face AB has a gradual slope into the water as shown. Because of this, the frictional force

The concrete dam is designed so that its face AB has a gradual slope into the water as shown. Because of this, the frictional force at the base BD of the dam is increased due to the hydrostatic force of the water acting on the dam.

Calculate the hydrostatic force acting on the face AB of the dam. The dam has width w, the water density is γw.

Units Used:

kip = 103 lb

Given:

w = 60 ft

γw = 62.4lb/ft3

a = 18 ft

b = 12 ft

A D

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