Anti-seepage membrane connection device for water-cutting curtain and construction method of water-cutting curtain

Abstract

An anti-seepage membrane connection device for a water cut-off curtain and its construction method, comprising a box body, a connecting male head, a connecting female head, a support hole, a cavity and an air bag, the box body is a hollowed-out rectangular cylinder, and the box body The middle of the box is a hollow cavity, the upper part of the box is a connecting male head, and the center of the connecting male head is provided with a through pin hole; the lower part of the box is a connecting female head, and each box is fixed by a pin and a pin hole The connecting male head and the connecting female head of the section connecting device, several through support holes are set at intervals on the box body, and the airbag is embedded in the hollow cavity of the box body; thus, the present invention can effectively solve the problem of adjacent anti-seepage membrane Problems such as poor connection, loose lap joint, bypass flow of filling material, difficulty in pulling out the joint device, and poor anti-seepage effect have realized the organic connection between each sequence of anti-seepage membranes, prevented the backflow of grout or concrete in the tank section, and reduced the The pull-up resistance of the connecting device is improved, and the water interception efficiency of the anti-seepage membrane curtain is improved.

Description

Technical field [0001] The present invention relates to the field of open-air coal mine curtain, metal mine curtain, well working mine curtain, pollutant isolation, municipal and workers' curtains, etc. Membrane connection device and its construction method thereof. Background technique [0002] Most of my country's open-air coal mines is located in the sand-rich layer area of ​​strong water replenishment. The formation penetration factor is large, and the ground river is replenished. It is often controlled by pumping well water. The water level is huge. Long-term drainage caused a large area of ​​land, the surrounding residents' production water is difficult, the shallow vegetation death, the land desertification, the water outside the water is polluted by water, the long-term downtime cost is huge, and the production cost is high. It is possible to achieve water resources and ecological environmental protection of open-air coal mine and reduce water resources. At the same time,...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an anti-seepage membrane connection device and construction method for water cut-off curtains, which can effectively solve the problems of poor connection of adjacent anti-seepage membranes, loose overlap, bypass flow of filling materials, and pull-out of joint devices. Difficult and poor anti-seepage effect, realize the organic connection between each sequence of anti-seepage membranes, prevent the backflow of grout or concrete in the groove section, reduce the pulling resistance of the connection device, and improve the water interception efficiency of the anti-seepage membrane curtain

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