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Pipe jacking construction structure and pipe jacking construction method

A construction method and pipe jacking technology, which is applied in the direction of pipes/pipe joints/fittings, earthwork drilling, pipe laying and maintenance, etc. It can solve problems such as difficulties in laying down pipes, difficulty in taking out slings, and increased costs, so as to prevent pipe surface damage effect

Pending Publication Date: 2018-08-17
北京清河水利建设集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the lower pipeline adopts a special lower mold, the cost will increase; if the sling is used for hoisting, there will be problems such as difficulty in taking out the sling, and it will cause difficulty in installing the pipeline, which may cause damage to the outer wall of the pipeline in severe cases

Method used

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  • Pipe jacking construction structure and pipe jacking construction method
  • Pipe jacking construction structure and pipe jacking construction method
  • Pipe jacking construction structure and pipe jacking construction method

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Embodiment Construction

[0048] Such as figure 1 , image 3 , Figure 4 As shown, the pipe jacking construction method provided by the present invention includes the following steps: construction preparation, measurement and positioning, equipment installation (also including the installation of guide rails, backs and hydraulic brackets), pipe jacking into the hole, jacking (under the pipeline) ), excavation, equipment dismantling until completion, of which:

[0049] 1) construction preparation, in addition to routine preparation work (comprising foundation pit forming), the present invention mainly is to prepare hydraulic jack bracket 5, as figure 2 As shown, the hydraulic jack bracket 5 mainly includes a hydraulic cylinder 51, a piston rod 52, and a steel bracket 53 fixed at the end of the piston rod 52. One side of the steel bracket 53 has a circular arc that fits the arc of the outer wall of the pipeline. On the other side, the other side is connected with the piston rod 52 through the sleeve ...

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Abstract

The invention provides a pipe jacking construction structure and a pipe jacking construction method. After the foundation pit is formed, the back wall, the back steel plate, the pipe jacking machine,the guide rail, the hydraulic jack bracket and the roadheader are installed in the foundation pit from the back to the front. By using a hydraulic jack bracket, the pipe can be smoothly transported into place, which is beneficial to withdraw the sling to prevent damage to the surface of the pipe. Through the synergy of the pipe jacking machine and the roadheader, the pipe is pushed forward one byone to complete the pipe jacking construction.

Description

technical field [0001] The invention relates to pipe jacking construction. Background technique [0002] With the development and construction of the economy, the number of water conservancy and hydropower projects in my country is increasing, and the related technologies have become more and more mature. Among the many construction technologies, the application of pipe jacking construction can significantly promote the economic benefits of the project. and can play a very important role in engineering construction. [0003] Pipe jacking construction is a non-excavation construction method, and it is a pipeline burying construction technology that does not excavate or excavates less. The pipe jacking method is to use the jacking force generated by the jacking equipment in the foundation pit to overcome the friction between the pipeline and the surrounding soil, push the pipeline into the soil according to the designed slope, and transport the earth away. After one section o...

Claims

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Application Information

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IPC IPC(8): E21D9/00F16L1/028
CPCE21D9/00F16L1/028
Inventor 张建袁伟宏谢浩高嘉曹春艳郭宝晶康松林魏士军白德龙李强张勇于化龙刘占运贾香平
Owner 北京清河水利建设集团有限公司
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