Method for breaking away continuous wall and side wall at joint of new and old metro stations

Abstract

The invention discloses a method for breaking away a continuous wall and a side all at the joint of new and old metro stations. The method comprises the following steps that A, the positions for cutting the underground continuous wall and the side wall at the joint of the new and old metro stations are determined; B, a hoisting hole and a rope passing hole are drilled; C, a guide pulley and wire sawing equipment are mounted and fixed; D, a diamond rope is mounted, and the diamond rope penetrates through the rope passing hole; E, a hoisting rope penetrates through the hoisting hole; F, an operation system is chained, and a safe guardrail is mounted; G, the walls are cut in sequence; and H, hoisting and smashing are conducted. Through the method, the continuous wall and the side wall of thenewly built metro station and the existing metro station can be broken away safely and efficiently, the construction period can be shortened by utilizing the method to conduct underground engineeringconstruction, the construction noises are reduced effectively, dust is reduced, and the construction safety, the safety of the existing structure, the metro operation and the passenger safety are ensured.

Description

technical field [0001] The invention relates to the field of underground engineering, in particular to a method for removing a continuous wall and a side wall at a junction between a new and an old subway station. Background technique [0002] In the process of subway construction, there will usually be transfers between multiple subway lines. When the new subway station is connected to the existing subway station, it is necessary to remove the underground diaphragm wall and side wall of the connecting part of the station. The traditional construction method is that after the construction of the foundation pit of the new subway station is completed, the underground diaphragm wall and side wall adjacent to the existing station side are manually demolished from top to bottom. The traditional construction method has problems such as difficult construction, long construction period, high cost, and huge impact on the surrounding environment. Therefore, existing construction tec...

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Problems solved by technology

[0003] In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a method for removing the diaphragm wall and the side wall at the junction of the old and new subway stations, aiming at solving the problems of long construction period, high cost and great impact on the environment of the diaphragm wall removal method

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