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A deep foundation pit construction method with side wall support function

A construction method and technology of deep foundation pits, applied in infrastructure engineering, excavation, construction, etc., can solve problems such as poor effects, and achieve the effects of improving safety, improving stability, and improving fixing effects

Active Publication Date: 2022-04-08
文华工程咨询股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to improve the poor effect of supporting and reinforcing the side wall of the foundation pit by using the anchor rod to penetrate the reinforcement wall to support the defect, the application provides a deep foundation pit construction method with side wall support function

Method used

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  • A deep foundation pit construction method with side wall support function
  • A deep foundation pit construction method with side wall support function
  • A deep foundation pit construction method with side wall support function

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Embodiment Construction

[0044] The following is attached Figure 1-6 The application is described in further detail.

[0045] The embodiment of the present application discloses a deep foundation pit construction method with side wall support function, including the following steps:

[0046] S1. Reference figure 1 , clean up the construction site, make the upper surface of the construction site smooth, draw a line around the periphery of the construction site, and use a three-axis mixing pile machine to support row piles along the lined position, thereby forming the first reinforcement wall 1;

[0047] S2. Reference figure 2 Carry out slope excavation from the top of the first reinforcement wall 1 to the inside of the space surrounded by it, and then form the slope surface 11, dig the foundation pit to the plane where the bottom end of the slope surface 11 is located, and then pass the drilling equipment on the slope surface 11 A reinforcement hole 12 is opened on the top, the reinforcement hole ...

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Abstract

This application relates to a deep foundation pit construction method with side wall support function, which includes the following steps: S1, clearing the construction site, and carrying out pile row support to form the first reinforcement wall; S2, performing slope excavation toward the center , form a grading surface, drill a reinforcement hole on the grading surface, insert the composite anchor rod into the reinforcement hole, and carry out grouting reinforcement; S3, arrange pile support at the bottom of the grading surface to form a Reinforce the wall, and carry out cement reinforcement on the grading surface; S4, fix the grading surface and the composite anchor through the composite plate; S5, excavate the foundation pit downwards, drill connection holes on the second reinforcement wall, and place the The composite anchor is inserted into the connecting hole, and the connecting hole is reinforced by grouting; S6, the second wall is reinforced through the stabilizing plate, and then the stabilizing plate and the anchor are fixed through the combined plate; S7, continue to dig down When the deep foundation pit reaches an appropriate depth, the bottom of the deep foundation pit is reinforced. This application has the effect of improving the support and reinforcement of the side wall of the deep foundation pit.

Description

technical field [0001] The present application relates to the technical field of foundation pit engineering, in particular to a deep foundation pit construction method with side wall support function. Background technique [0002] Deep foundation pit refers to a project whose excavation depth exceeds 5 meters (including 5 meters), or the depth does not exceed 5 meters, but the geological conditions and underground pipelines are particularly complicated; foundation pit engineering mainly includes earthwork excavation and foundation pit support. On the one hand, the stability of the foundation pit affects the safety of construction projects on the foundation pit. [0003] The existing deep foundation pit construction method is to dig down layer by layer according to the construction requirements at the construction site. For the reinforced wall, during the process of digging down the reinforced wall, a deep hole is drilled into the reinforced wall, and the anchor rod is inser...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D17/04E02D5/74E02D15/04E02D5/46
CPCE02D17/04E02D5/74E02D15/04E02D5/46
Inventor 高荣玺叶根太何云仲
Owner 文华工程咨询股份有限公司
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