FIELD: construction.
SUBSTANCE: wall drainage includes a perforated drainage pipe fixed to the building foundation, a porous filter, and a cushioning layer of a macro fragmental material. The drain pipe is arranged under the pile foundation grillage, and the filter from a fibrous material is made double-layered, the outer layer of which is fixed on the pipe by means of a split connection, for example, a textile hooked tape, and has a free end clamped in the cushioning layer.
EFFECT: ensuring the drainage operation reliability, the protection of underground parts of buildings from groundwater during prolonged peat sedimentation in foundations and mudding filters with particles carried by a groundwater flow, increasing the water level lowering depth.
4 dwg
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