Prefabricated pipe gallery and cast-in-place pipe gallery connection waterproof structure and construction method

Abstract

The invention relates to a prefabricated pipe gallery and cast-in-place pipe gallery connection waterproof structure. The prefabricated pipe gallery and cast-in-place pipe gallery connection waterproof structure comprises a step type tongue-and-groove, low-modulus polyurethane sealants, copper plate water stop belts, a water collection box, a slip casting main pipe, slip casting guide pipes and slip casting holes. The upper portion of a prefabricated pipe gallery is provided with a top plate, the lower portion of the prefabricated pipe gallery is provided with a bottom plate, and the middle portion of the prefabricated pipe gallery is provided with a side wall. The side wall of the connection fracture surface of the prefabricated pipe gallery and the cast-in-place pipe gallery is providedwith the step type tongue-and-groove. The surfaces of the pipe galleries are provided with grooves, the slip casting main pipe is embedded into the grooves, the two ends of the slip casting main pipeare provided with the slip casting guide pipes, and pipe body of the slip casting main pipe is provided with the slip casting holes which are distributed at equal intervals. The end openings of the inner side and the outer side of a construction joint are provided with the low-modulus polyurethane sealants, and the construction joint is internally provided with the copper plate water stop belts. The prefabricated pipe gallery and cast-in-place pipe gallery connection waterproof structure and the construction method have the beneficial effects that the multi-waterproof structure is good in water isolation effect; the strength at the joint position is higher, and differential settlement is reduced; construction of the waterproof structure is easy, time and labor are saved, and the cost is low; and when the deformation joint leaks, double guarantees of rescuing and repairing are achieved.

Description

technical field [0001] The invention belongs to the field of underground engineering, and in particular relates to a waterproof structure and construction method for the connection between a prefabricated pipe gallery and a cast-in-place pipe gallery, which is suitable for waterproof construction of construction joints at the junction of a prefabricated pipe gallery and a cast-in-place pipe gallery, especially for prefabricated sections and cast-in-place pipe galleries. Waterproof construction of pipe corridors with high waterproof requirements at the joints of cast-in-place sections. Background technique [0002] Underground comprehensive pipe gallery has incomparable advantages over traditional pipeline embedding methods in terms of the utilization of urban underground space, the ability to resist natural disasters, the maintenance of pipelines in the ditch, and the effective solution to the problem of pull links. Therefore, more and more large and medium-sized cities in C...

AI Technical Summary

Problems solved by technology

The existing waterproof structures and methods cannot meet the construction problems of the connection between the prefabricated pipe gallery and the cast-in-place pipe gallery, and urgently need to be solved by improving the technology

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