panel of subway open cut structure water proofing method

摘要

PURPOSE: The present invention is to provide a panel for waterproofing the underground construction of underground structures, which simultaneously proceeds with the external formwork and the group installation and waterproofing process on the sidewall of the underground structure.;Configuration: The present invention is a first panel provided with a fixing pin on one side and a fastening protrusion on the other side so that the waterproof sheet is installed toward the inner formwork between the sidewall rebar; The fastening protrusions of the first panel are coupled to each other so that the fastening grooves are formed on opposite sides of the fastening protrusions so as to be supported by the longitudinal and lateral support members as in the first panel. It is configured to include a second panel formed.;EFFECT: The present invention eliminates the need for separate waterproofing of the sidewall concrete, since the first and second panels and the waterproof sheet serving as the outer formwork and the club are installed as one assembly.