The construction method of the pipe gallery under the existing pipe gallery and its supporting structure
A construction method and technology of pipe gallery, which can be used in underwater structures, infrastructure engineering, buildings, etc., and can solve problems such as shallow burial.
Active Publication Date: 2020-12-11
CHINA CONSTR EIGHT ENG DIV CORP LTD
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Problems solved by technology
[0004] The purpose of the present invention is to overcome the defects of the prior art, to provide a construction method of the pipe gallery under the existing pipe gallery and its supporting structure, and to solve the shallow buried depth of the existing pipe gallery in the prior art. The problem of the bottom plate construction of the pipe gallery and the pipe gallery intersected by the existing pipe gallery
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[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0030] refer to Figure 1 to Figure 5 , shows a schematic diagram of the steps of the construction method of the pipe gallery under the existing pipe gallery according to the present invention. refer to Figure 6 , shows a schematic plan view of the built pipe gallery and the pipe gallery of the construction method of the pipe gallery under the present invention. combine Figure 1 to Figure 6 As shown, the construction method of the pipe gallery under the present invention, which passes through the existing pipe gallery, comprises the following steps:
[0031] S1: excavate the foundation pit on the opposite sides of the built pipe gallery 10 to the bottom of the built pipe gallery 10, and retain the soil under the bottom plate of the built pipe gallery 10 to form a support for the built the foundation of the pipe gallery;
[0032] S2: setti...
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The invention relates to a pipe gallery construction method for downwards traversing a constructed pipe gallery and a support replacement structure of the constructed pipe gallery. The pipe gallery construction method for downwards traversing the constructed pipe gallery comprises the steps that S1, foundation pits are extracted on two opposite sides of the constructed pipe gallery to the below part of a bottom plate of the constructed pipe gallery, and soil below the bottom plate of the constructed pipe gallery is reserved to form a foundation supporting the constructed pipe gallery; S2, a fixed support replacement structure is driven downwards from the bottom surfaces of the foundation pits, and the support replacement structure supports the bottom plate of the constructed pipe gallery;S3, the foundation of the constructed pipe gallery is excavated; S4, pipe galleries are constructed below the constructed pipe gallery; and S5, the foundation pits are backfilled after the pipe gallery construction is completed. The constructed pipe gallery is supported through the support replacement structure, the constructed pipe gallery is prevented from sinking, the safety of the constructionis ensured, and the problems that in the prior art, the buried depth of the constructed pipe gallery is relatively shallow, and how to arrange crosswise the pipe galleries with the constructed pipe gallery on the bottom plate of the constructed pipe gallery are solved.
Description
technical field [0001] The invention relates to the field of building construction, in particular to a construction method for a pipe gallery that passes under an existing pipe gallery and a support replacement structure thereof. Background technique [0002] At present, the country is vigorously promoting the construction of urban underground comprehensive pipe corridors. With the increase in the demand for urban comprehensive carrying capacity, the planning of underground comprehensive pipe corridors has gradually improved. The pipe corridors built in the past can no longer meet the growing needs of urban development. [0003] Most of the built pipe galleries are single-cabin or two-cabin, and the burial depth of the built pipe gallery is relatively shallow. The new pipe gallery can only pass through the floor of the existing pipe gallery. The construction of pipe corridors with intersecting pipe corridors has become a major problem in the construction of pipe corridors. ...
Claims
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IPC IPC(8): E02D29/045E02D5/76
CPCE02D5/76E02D29/045
Inventor 张帅张兆吉赵亮彭江涛李明
Owner CHINA CONSTR EIGHT ENG DIV CORP LTD