underdrain

(redirected from underdrainage)
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underdrain

[′ən·dər‚drān]
(civil engineering)
A subsurface drain with holes into which water flows when the water table reaches the drain level.

underdrain

underdrain
A drain, installed in porous fill, for drawing off surface water or water from the soil, as under the slab of a structure.
References in periodicals archive ?
Contour strip cropping and underdrainage were recommended where needed, and rotation farming was always recommended.
On the other hand, the concrete channel underdrainage system will help to partly alleviate the existing waterlogging problem in the Project area.
The surgeon must estimate abdominal back pressure in the peritoneal cavity that will receive CSF drainage, because underdrainage may occur due to absorption incompetence (Christiansen, 2002).