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Miniature pipe jacking construction method for ecological comprehensive pipe gallery project

A technology of integrated pipe gallery and construction method, which is applied in earthwork drilling, shaft equipment, wellbore lining, etc., can solve problems such as discontinuity, and achieve the effects of good accuracy and safety, simple operation, and fast construction speed

Active Publication Date: 2021-09-03
葛洲坝集团生态环保有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the construction method still has discontinuity in the process of jacking and dismantling, and the construction efficiency needs to be further improved

Method used

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  • Miniature pipe jacking construction method for ecological comprehensive pipe gallery project
  • Miniature pipe jacking construction method for ecological comprehensive pipe gallery project
  • Miniature pipe jacking construction method for ecological comprehensive pipe gallery project

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] combine figure 1 As shown, a micro-pipe jacking construction method for an ecological comprehensive pipe gallery project includes the following construction steps:

[0049] Step 1. Installation and commissioning of the micro pipe jacking machine, including the setting and construction of the back structure of the micro pipe jacking. The central axis of the inlet pipeline adjusts the height and level of the base of the machine and is fixedly installed at the bottom of the well. The machine base of the pipe jacking machine is installed on the base of the machine to connect the hydraulic oil circuit. The front end of the device can be detachably connected to the pilot tube, start the equipment to determine whether the equipment is working normally;

[0050] Step 2, laser theodolite orientation, place the laser theodolite on the center line of the pipeline in the working well, adjust the slope of the laser theodolite, and make the laser theodolite project on the pilot pipe...

Embodiment 2

[0070] This embodiment provides a machine base structure and a specific construction process of Step 1.

[0071] Such as figure 2 As shown, the machine base 1 includes a pair of cross bars 5 arranged in parallel, and a pair of adjustable support frames 6 are respectively arranged under the pair of cross bars 5; the ends of the support frames 6 are provided with supporting feet 7. A number of adjusting pads 16 are provided under the support feet 7, and anchors 8 for fastening are also provided on the support feet 7; suspension rings 9 are respectively provided above the support frame 6; the cross bar 5 is provided with a number of vertical installation holes 501 at intervals, and the pipe jacking machine platform 2 is detachably installed on the cross bar 5 and the installation holes 501; a pair of ends of the cross bar 5 A connecting rod 11 is also detachably provided, and a horizontal connecting hole is provided in the middle of the connecting rod 11, and the pilot pipe 4 i...

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Abstract

The invention discloses a miniature pipe jacking construction method for ecological comprehensive pipe gallery engineering, which comprises the following construction steps: step 1, mounting and debugging a miniature pipe jacking machine, step 2, orienting a laser theodolite, step 3, jacking a pilot pipe, step 4, jacking an unearthed outer pipe, step 5, jacking a spiral cutter head, step 6, jacking a reinforced concrete pipe, and step 7, dismounting equipment. In the pipe jacking construction process, each section of pilot pipe and each section of unearthed outer pipe are sequentially dismantled in the receiving well, and the spiral cutter head, the pipe jacking machine table and the machine table base are dismantled in the working well. The miniature pipe jacking construction method for the ecological comprehensive pipe gallery project is easy to operate, high in pipe jacking efficiency, quite convenient and rapid to install and detach, good in pipe jacking accuracy and safety and suitable for rapid construction of urban ecological comprehensive pipe galleries.

Description

technical field [0001] The invention relates to the technical field of pipe jacking construction, in particular to a micro-pipe jacking construction method for an ecological comprehensive pipe gallery project. Background technique [0002] With the acceleration of urban construction and renewal, it is necessary to build a large number of underground pipelines in areas with heavy traffic and many ground buildings. In order to reduce the impact on the surrounding environment, most of them adopt non-excavation construction methods. [0003] The main methods commonly used in the construction of trenchless buried pipelines are pipe pulling and pipe jacking construction techniques using horizontal directional drilling rigs. Horizontal directional drilling to drag pipe construction is to first use a directional drilling rig to drill an approximately horizontal pilot hole from one end of the pipeline to a certain depth below the surface, and then connect a reverse reaming drill bit ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D9/11E21D9/00E21D11/08E21F17/00E21F17/18
CPCE21D9/11E21D11/08E21D9/003E21F17/00E21F17/18Y02A30/60
Inventor 叶聪刘波庭姚国鑫于赫木孙志伍刘毅燕超杰陈亮
Owner 葛洲坝集团生态环保有限公司
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