Device and construction method for preventing upper soil settlement of pipe curtain structure

Abstract

The invention relates to a device for preventing the upper part of a pipe curtain structure from settling. Part of the unexcavated soil is reserved in the pipe curtain structure, a bottom beam is laid on the soil, and a top beam is erected on the top of the pipe curtain structure. , the device includes: a frame body for placing between the bottom beam and the top beam; and a jacking piece vertically installed on the frame body with adjustable length. Respectively resist the bottom beam and the top beam, thereby pushing the bottom beam down to compact the soil and support the pipe curtain structure and the soil above it. The invention effectively solves the problem of serious ground subsidence, uses the device to support the pipe curtain structure, prevents the deformation of the pipe curtain structure, and ensures the construction quality, and the device has a wide application range.

Description

technical field [0001] The invention relates to the field of building construction, in particular to a device for preventing the upper part of a pipe curtain structure from settling. Background technique [0002] As the scale of underground space development and utilization continues to increase, if the common open-cut method is adopted in the central urban area with dense population, heavy traffic and complex environment, multiple traffic and pipeline turnovers will be required during the construction process, and the construction planning will be complicated. And the construction period is long, which will inevitably affect the normal operation of the city. [0003] Therefore, the underground excavation method represented by the pipe curtain method is widely used in the field of underground engineering because of its small impact on the normal operation of the city, low cost and high efficiency. The pipe curtain method usually lays steel pipes around the underground struct...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the defects of the prior art, and provide a device for preventing the upper part of the pipe curtain structure from settling, which solves the serious problem of ground subsidence, and uses the device to support the pipe curtain structure and prevent the deformation of the pipe curtain structure , to ensure the construction quality, and the device has a wide range of applications

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