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Hand auger - driven wells

31 bytes removed, 21:13, 7 April 2012

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The driven well consists of a pointed perforated or slotted pipe or a pipe with a pointed well screen attached which has been driven into an aquifer. The pipe with pointed well screen is driven into place in much the same way a nail is driven into wood. The material is forced aside rather than excavated by this technique. Normally special pipe with thick walls and specially designed couplings are used to resist the driving forces. The pipe is driven into the ground using a hammering tool or a normal hammer.

Driven wells are sometimes used in combination with augers in collapsing sand layers. If augers cannot penetrate further into a collapsing sand layer, and a temporary casing cannot be used (for example, the casing is stuck in a clay layer), a well point and well screen can be driven into the ground using a hammering tool or normal hammer.

 

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