Underground diaphragm wall I-shaped steel joint water stop control structure and construction method thereof

Abstract

The invention discloses an underground diaphragm wall I-shaped steel joint water stop control structure and a construction method thereof, and relates to the field of building construction. The underground diaphragm wall I-shaped steel joint water stop control structure comprises an underground diaphragm wall groove section, an I-shaped steel joint, a steel reinforcement cage, concrete, a port locking pipe and back pressing broken stones; the cross section of the I-shaped steel joint faces upwards, and the I-shaped steel joint is vertically arranged in the underground diaphragm wall groove section; the steel reinforcement cage is welded to one side face of a web of the I-shaped steel joint; the concrete is poured to the steel reinforcement cage and poured into the underground diaphragm wall groove section; the cross section of the port locking pipe faces upwards, and the port locking pipe is vertically and closely attached to the other side face of the web of the I-shaped steel joint;the other side of the port locking pipe is filled with the back pressing broken stones; and a pair of slurry stop plates are symmetrically welded to the outer side of a flange plate of the I-shaped steel joint, and slurry stop pressing strips are welded to the outer sides of the inner ends of the slurry stop plates. According to the underground diaphragm wall I-shaped steel joint water stop control structure and the construction method thereof, the problems that in an existing underground diaphragm wall I-shaped steel joint construction water stop method, round flowing of the concrete is difficult to control, the water stop quality is difficult to control, a large amount of manpower and construction period are consumed, and the construction efficiency is low are solved.

Description

technical field [0001] The invention relates to the field of building construction, in particular to a water-stop control structure for an I-shaped steel joint of a ground connection wall and a construction method thereof. Background technique [0002] The usual I-shaped steel joint water stop of the ground connection wall adopts I-shaped steel fixed slurry plate, I-shaped steel web foam filling and I-shaped steel web filling sandbags. This kind of conventional ground connection wall I-shaped steel joint water-stop construction method, the density problem between filling foam and filling sandbags and I-shaped steel has not been solved, and it is difficult to control the flow around the concrete, which consumes a lot of manpower and construction period, and the construction efficiency is low; Glue and mud are entrained on the beam, which is difficult to clean, resulting in poor water-stopping effect of the I-shaped steel joint of the ground wall. Contents of the invention ...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a ground connection wall I-shaped steel joint water-stop control structure and its construction method, which solves the problem that the existing ground-wall I-shaped steel joint construction water stop method is difficult to control the flow of concrete and the quality of water stop is difficult to control , consume a lot of manpower and construction period, and the problem of low construction efficiency. At the same time, it solves the problem of glue and mud entrained on the I-shaped steel after the excavation of the existing connecting width groove section, which is difficult to clean up, resulting in poor sealing effect of the I-shaped steel joint of the ground connection wall. question

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