What’s the key difference between arch dam and buttress dam?
Himanshu joshiLearner
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What’s the key difference between arch dam and buttress dam?
vivek gami
arch dam is constructed when dam abutment has rocky strata and have higher bearing capacity to resist trust from arching action of an arch dam.
see arch dam in figure
it is constructed when river run between two hills and the dam site has great depth, and less width at that location arch dam is very economical to another type of dam.
buttress dam is a dam in which has straight alignment and which have buttressed support on the downstream side.
buttress is provided to additional support of dam structure .
the main purpose of the buttress is to provide additional safety against the overturning of the dam. this type of dam is constructed at where dam height is high.
Vivek Patel
Arch dam
Load of reservoir water is transferred to soil by trust action and vertical action. Arch dam is mostly use in following conditions
Buttress dam
Reservoir water load is transferred to soil by vertically and buttress wall of the dam. Buttress dam is mostly use in following condition