arch-dam - Definition of an Arch Dam An arch dam: is a...

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Definition of an Arch Dam An arch dam: is a curved type of dam is dependent upon arch action for its strength is commonly built with concrete is designed to curve upstream is thinner than any other dam type requires much less construction material, economical and practical Arch dams are generally classified as thin, medium, and thick, depending on the ratio of the width of the base to the height Thin Base width is less than 20% of the height Medium Base width is at 20% to 30% of the height Thick Base width is more than 30% of the height There is no generalization for the ratio between the width at the crest and the width at the base. Historically, at the base and crest are of the same thickness. The main forces acting on an arch dam are as follows Water Pressure the force exerted by the reservoir to the dam Abutment Reaction the reaction which supports the dam Weight of Dam the total weight of the dam itself The forces acting on an arch dam
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arch-dam - Definition of an Arch Dam An arch dam: is a...

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