Drainage Well

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drainage well [′drān·ij ‚wel]

(civil engineering)

A vertical shaft in a masonry dam to intercept seepage before it reaches the downstream side.

Drainage Well

an installation for drying out one or several aquiferous horizons above the production level by allowing water to flow under the force of gravity into an aquiferous horizon under a mining excavation or deposit. Such wells are used to drain deposits of minerals, primarily in the preliminary drainage stage.

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