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A construction method for point dewatering in deep wells

A construction method and deep well technology, applied in infrastructure engineering, construction, etc., can solve problems such as the quality of the connection needs to be improved, the connection is cumbersome, etc., and achieve the effect of smooth installation, high matching strength, and improved installation quality

Active Publication Date: 2021-03-26
中和华丰建设集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The well pipes used in deep well point dewatering at this stage generally use corrugated pipes and sand-free pipes. The connection of the adjacent corrugated pipe or sand-free pipe is cumbersome and the quality of the connection needs to be improved

Method used

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  • A construction method for point dewatering in deep wells
  • A construction method for point dewatering in deep wells
  • A construction method for point dewatering in deep wells

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Embodiment Construction

[0038] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0039] See attached figure 1 And attached Figure 8 , a construction method for deep well point dewatering, using a new type of deep well point dewatering equipment. The deep well point dewatering equipment includes a dewatering well pipe 1 and a dewatering device 2, so that the installation of the dewatering well pipe 1 is relatively simple, and the quality of the dewatering well pipe 1 installed in the well hole is more ideal.

[0040] See attached figure 1 , a dewatering well pipe 1, comprising a plurality of unit well pipes 11 and a filter screen 13 at the bottom of the dewatering well pipe 1.

[0041] See attached figure 2 And attached image 3 The lower end of the inner wall of the unit well pipe 11 has a first installation ring platform 111, and at least three T-shaped protrusions 111a are evenly distributed in the circumferential direction on th...

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Abstract

The invention discloses a construction method of deep well point dewatering. The problem of inconvenient installation of a dewatering well pipe at present is solved. According to key points of the technical scheme, the construction method of deep well point dewatering comprises the step S500 of installing a dewatering well pipe, the dewatering well pipe comprises a plurality of unit well pipes, afirst installation ring table is arranged at the lower end of the inner wall of each unit well pipe, at least three T-shaped convex blocks are uniformly distributed in the circumferential direction ofthe bottom surface of each first installation ring table, a second installation ring table is arranged at the upper end of the inner wall of each unit well pipe, a T-shaped sliding groove matched with the corresponding T-shaped convex blocks is formed in the top surface of each second installation ring table, and a chute insertion port for the corresponding T-shaped convex blocks to be inserted is formed in one end of each T-shaped sliding groove. By adopting the construction method of deep well point dewatering, the dewatering well pipe is easy to assemble and high in assembly quality.

Description

technical field [0001] The invention relates to a building construction method, in particular to a construction method for deep well point dewatering. Background technique [0002] Deep well point dewatering is the most widely used dewatering method in foundation pit support. Its advantages are large drainage, large precipitation depth, and large precipitation range. For occasions where the permeability coefficient of the sand and gravel layer is large and the thickness of the aquitard is large, the methods of light well point and jet injection are generally not effective, and the construction method of deep well point dewatering is generally used for dewatering. [0003] The well pipes used in deep well point dewatering at this stage generally use corrugated pipes and sand-free pipes. The connection of the adjacent corrugated pipe or sand-free pipe is relatively cumbersome and the quality of the connection needs to be improved. Contents of the invention [0004] The obj...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D19/10
CPCE02D19/10
Inventor 方美财倪永曹白海敏
Owner 中和华丰建设集团有限公司
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