Midway well used for pipe-jacking pipeline

A pipeline and pipe jacking technology, which is applied in the field of midway wells, can solve the problems of long construction period, high construction risk, and difficult construction of pipe jacking midway wells, and achieve the effects of shortening the construction period, improving construction safety, and reducing construction difficulty

Inactive Publication Date: 2016-07-27
SHANGHAI PUDONG ARCHITECTURAL DESIGN & RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

This time, the design and construction of the midway well of the drainage pipe jacking pipeline are improved to solve the problems of difficult construction, long construction period and high construction risk

Method used

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  • Midway well used for pipe-jacking pipeline
  • Midway well used for pipe-jacking pipeline

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0020] Such as figure 1 and 2 As shown, a midway well for pipe jacking is connected with the pipe jacking pipeline 4. The midway well includes a steel plate enclosure 1, a cover plate 3 and an outsourcing steel plate 5. There are 5 sets of outsourcing steel plates On the pipe jacking pipe 4, the upper end of the steel plate enclosure 1 is connected with the cover plate 3, and the lower end is connected with the outer steel plate 5 through the inclined rib plate 6, forming a closed system.

[0021] The steel plate enclosure 1 has a square structure, which is directly driven in by a piling machine after welding, and is double-liquid grouted around the steel plate enclosure. The lower part and both sides of the jacking pipe at the connection with the steel plate enclosure adopt compaction grouting7.

[0022] The cover plate 3 adopts a large reinforced concrete cover plate. The diagonal rib 6 and the steel plate enclosure 1 are arranged at 45°. After the closed system is forme...

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Abstract

The invention relates to a midway well used for a pipe-jacking pipeline. The midway well is connected with the pipe-jacking pipeline, and comprises a steel plate enclosure part, a cover board and a wrapping steel plate, wherein the wrapping steel plate sleeves the pipe-jacking pipeline, the upper end of the steel plate enclosure part is connected with the cover board, and the lower end of the steel plate enclosure part is connected with the wrapping steel plate, so that a closing system is formed. Compared with the prior art, the midway well has the advantages that the construction period is shortened, the construction difficulty is reduced, and meanwhile, the construction safety is greatly improved.

Description

technical field [0001] The invention relates to a midway well, in particular to a midway well for pipe jacking. Background technique [0002] With the continuous digestion and absorption of pipe jacking technology in China, rainwater and sewage pipes using pipe jacking construction are more and more widely used in municipal engineering. In recent years, pipe jacking equipment and technology have been continuously improved, and the jacking distance has been continuously increased, and the jacking distance of large-diameter drainage pipes can reach 300m or even 500m. However, in order to meet the needs of the use and maintenance unit, it is necessary to add a midway well in the middle of the long-distance pipe jacking pipeline as a future inspection well. In the prior art, there are many methods of pipe jacking in the middle of the well, but the construction is relatively difficult, the construction period is long, and the risk is high. This time, the design and construction...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E03F5/02
Inventor 崔丽芳覃大伟许红兵赵巍席旭军
Owner SHANGHAI PUDONG ARCHITECTURAL DESIGN & RES INST
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