Find the fluid force on the vertical side of the tank with a semicircle with a height of 29/22/2023 The horizontal component has greater effect. However, it has to be resolved into vertical and horizontal components for the design purposes. Uplift is generally reduced by constructing drainage pipes between dam and its foundation, constructing cut off walls under the upstream face, holes in the dam section, or pressure grouting the dame foundation.ĭynamic loads created due to earthquakes must be considered in the design of all major dams located in ‘high-risk’ seismic regions, and for dams situated in close proximity to potentially active geological fault complexes.Įarthquake produces waves in every possible direction. This total uplift acts at B/3 from the heel or upstream end of the dam. Where is the uplift pressure, B is the base width of the dam and H is the height up to which water is stored. With reference to figure 3, uplift pressure is given by
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