FIELD: construction.
SUBSTANCE: method for erection of horizontal drain includes provision of intake, collection and draining parts. All structural parts of drain are made of flexible mats that consist of meshy shells and draining filler, which is made of tight alternating rows of light fascines and perforated pipes wrapped in geogrid. Water intake part of drain is made of mats laid normally towards direction of filtration flow. Inner water collection part of drain is made of mats laid in layers towards direction of filtration flow. Draining part is made of similar mats arranged in plan in horizontal strips, at a certain distance to each other towards direction of filtration flow and with inclination from water collection part down to foot of lower slope. Light fascines of mats are made with diametre of 15-20 cm and length of 2-2.2 m from dry ripe cane.
EFFECT: invention makes it possible to reduce labour intensiveness of drain manufacturing and to increase efficiency of its operation.
4 dwg
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