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Pipe jacking construction method

A construction method and pipe jacking technology, which is applied in the direction of earthwork drilling, mining equipment, tunnels, etc., can solve the problems that "V"-shaped longitudinal curve pipe jacking construction cannot be applied, and achieve large construction slope, high economic efficiency, and high construction efficiency. safe effect

Active Publication Date: 2016-01-13
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The technical effect that this invention provides an efficient way to construct complicated structures with great stability at different levels or angles without requiring expensive equipment like pipes.

Problems solved by technology

This patented technical problem addressed in this patents relates to improving the efficiency at which pipelayers work on steep inclines without requiring more laborious digging operations compared to traditional methods like drilling holes along an underground pathway.

Method used

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Embodiment Construction

[0047] The invention provides a pipe jacking construction method to solve the technical problem that the pipe jacking method in the prior art cannot be applied to the pipe jacking construction of a large-slope "V"-shaped longitudinal curve.

[0048] The technical solution in the embodiment of the present application is to solve the above-mentioned technical problems, and the general idea is as follows:

[0049]A pipe jacking construction method is provided, including: carrying out construction of a working well and a receiving well; and installing construction equipment for the pipe jacking construction process, wherein the construction equipment includes: a pipe jacking machine, a door sealing device and Pipe joint stop device; wherein, the pipe jacking machine is a muddy water pressurized balanced pipe jacking machine, and the pipe jacking machine is equipped with a rock cutting and crushing device, an air pressure chamber and a guide cylinder; the door sealing device include...

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Abstract

The invention relates to the field of pipe jacking construction, in particular to a pipe jacking construction method and aims to solve the technical problem of failure in application of pipe jacking methods in the prior art to large-gradient longitudinal curved pipe jacking construction. The method includes: constructing a working well and a receiving well; mounting construction equipment for pipe jacking construction; setting up and implementing a gyroscope guide system for pipe jacking construction; controlling a pipe jack for jacking; adopting an automatic lubricating system for lubricating and resistance reducing construction of a tunnel in pipe jacking construction; arranging an intermediate jacking station in the tunnel to increase a jacking force, wherein the intermediate jacking station is a locally and remotely controlled split intermediate jacking station; subjecting the pipe jack to cutthrough treatment. The pipe jacking construction method is applicable to large-gradient 'V'-shaped longitudinal curved pipe jacking construction.

Description

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Claims

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Application Information

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Owner BC P INC CHINA NAT PETROLEUM CORP
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