COMBINED DRAINAGE OF BIOPOSITIVE DESIGN Russian patent published in 2010 - IPC E02B11/00 

FIELD: construction.

SUBSTANCE: combined drainage of biopositive design comprises banquet and batter drainages. Batter drainage and water-receiving part of banquet drainage are made of flexible mats made of tight rows of light fascines wrapped into geonet and laid normally to direction of filtration flow. Banquet prism of drainage is made of gabion mats, filler of which is made of light fascines and perforated pipes laid in alternating layers and wrapped in gabion net. Gabion mats are laid into foundation and on collar of banquet prism normally to direction of filtration flow, and in prism body - along with direction of filtration flow. Around banquet prism of gabion mats there are binding rings arranged of reinforcement wires, which are attached to anchors installed over top of batter drainage at the distance from each other. Light fascines with diametre of 15-20 cm are made of dry cane with length of 2-2.5 m.

EFFECT: invention makes it possible to improve efficiency and reliability of drainage and helps to recover green zones near water edge in lower reaches of soil structures.

2 cl, 5 dwg