A rectangular-shaped concrete dam is 300 m long and 24 m high. One vertical face of the dam faces and holds back a large reservoir of water. (Note: Unit weight of water = 9.81kN/m3; unit weight of concrete = 24.1kN/m3). (a) What is the force on the dam from the water in the reservoir when the water is 24 m deep. Where is the point of action of this force on the dam? (b) How thick is the concrete dam to resist the force of the water in the reservoir?

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Concepts of Flood Control

Flooding is a temporary overflow of water that submerges or covers the the usually dry land. It can also be defined as the overflow of the excess amount of water that covers a huge area of land which is normally dry.