Construction structure and construction method for mounting large-diameter steel pipe through adopting shield tunnel

Abstract

The invention provides a construction structure and a construction method for mounting a large-diameter steel pipe through adopting a shield tunnel. The construction structure comprises a steel pipe mounting tunnel formed by shield construction, the steel pipe and a concrete supporting structure, wherein the concrete supporting structure comprises a concrete pouring platform, an arc-shaped concrete base and a plurality of steel supports. The construction method is characterized in that before the steel pipe is transported, a track at the bottom of the shield tunnel is removed and cleared away,then concrete is poured to form the horizontal supporting platform, then the steel pipe is transported into the shield tunnel through trackless transportation equipment, and erected through the steelsupports, then a formwork is constructed again, steel bars are laid, and then the concrete is poured to form the arc-shaped concrete base covering the lower part of the steel pipe. According to the construction method, the shield tunnel is used for pipeline mounting, the influence on an urban building in the steel pipe burying process is avoided, the concrete pouring platform is adopted for steelpipe transportation, the disassembling and mounting process of the track is avoided, the construction process is simplified, the overall construction is convenient, and the construction period is greatly shortened.

Description

technical field [0001] The invention belongs to the field of underground pipeline installation, in particular to a construction method for installing large-diameter steel pipes by using a shield tunnel. Background technique [0002] With the continuous development of urban construction, more and more municipal pipelines are buried underground. Generally, the installation of underground pipelines is basically done by burying. However, for large-diameter urban water diversion steel pipes, due to the large diameter of the steel pipes, it is inconvenient to bury them. In addition, there are many urban buildings. The demolition requires a large amount of work, so the construction is difficult and costly. [0003] Pipeline installation in shield tunnels is often encountered in water conservancy projects, mining projects, petroleum, and nuclear power pipeline projects. However, for some heavy-duty pipelines with large diameters, due to the large volume of the pipeline and the circ...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems existing in the prior art, the present invention provides a construction method for installing large-diameter steel pipes using shield tunnels. This construction method can solve the need for disassembly and assembly of urban buildings when large-diameter pipes for municipal use are buried, and the construction is difficult and costly. It can also solve the problem that the installation of large-diameter steel pipes in shield tunnels needs to lay tracks due to transportation requirements. After the pipelines are transported in place, it is difficult to remove the tracks and the installation period of steel pipes is long.

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