Reserved soil body separated and divisional excavation construction structure for long-strip-shaped foundation pit adjacent to important structure

A technology of reserving soil and separating partitions, applied in infrastructure engineering, excavation, construction, etc., can solve the problems of high construction cost, slow construction speed, difficult construction deployment, etc., and achieve the effect of shortening the overall construction period and saving construction costs.

Inactive Publication Date: 2018-07-17
BCEG CIVIL ENG +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome various problems such as slow construction speed, long overall construction period, high construction cost, and difficulty in construction deployment when deep and large foundation pits are divided into deep and large foundation pits adjacent to important structures, and conventional cons...

Method used

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  • Reserved soil body separated and divisional excavation construction structure for long-strip-shaped foundation pit adjacent to important structure
  • Reserved soil body separated and divisional excavation construction structure for long-strip-shaped foundation pit adjacent to important structure
  • Reserved soil body separated and divisional excavation construction structure for long-strip-shaped foundation pit adjacent to important structure

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Embodiment Construction

[0035] as attached figure 1 , figure 2 The excavation construction structure separated by the reserved soil of the long strip foundation pit adjacent to the important structure shown mainly includes the long strip foundation pit and important structures; the important structure 1 already exists and has been in normal operation, and is located The short side of a shaped foundation pit is a structure that needs to be protected during the excavation process of the foundation pit; the strip-shaped foundation pit is a foundation pit whose length ratio between the long side and the short side of the foundation pit is greater than 3, and the short side is close to the important structure 1, which can be It is divided into three major areas: independent small sub-pit 2, reserved soil area 3 and other sub-divisions 4; independent small sub-pit 2 is a long strip-shaped foundation pit adjacent to the important structure 1 side, which is independently divided by the enclosure structure, ...

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Abstract

The invention relates to the technical field of building engineering and discloses a reserved soil body separated and divisional excavation construction structure for a long-strip-shaped foundation pit adjacent to an important structure and a construction method. The reserved soil body separated and divisional excavation construction structure comprises the adjacent important structure and the long-strip-shaped foundation pit, small pits are independently formed in the side of the adjacent important structure, in the vertical direction, a reserved soil body of the foundation pit is adjacent, step-slope support is conducted, horizontal counterforce is provided for excavation of the independent sub pits, and other areas and the independent small pits are constructed simultaneously. Accordingto the reserved soil body separated and divisional excavation construction structure for the long-strip-shaped foundation pit adjacent to the important structure and the construction method, innovation is conducted on an independent sub pit sequential excavation construction method for the long-strip-shaped deep and large foundation pit adjacent to the important structure, under the premise thatthe safety of the important structure adjacent to the foundation pit is ensured, simultaneous construction of the other areas except the reserved soil body range is achieved, thus the construction deploying difficulty is lowered, and the total construction period is effectively shortened.

Description

technical field [0001] The invention relates to the technical field of building foundation pit engineering, in particular to a construction structure and a construction method for excavating and excavating the reserved soil body in a strip-shaped foundation pit adjacent to an important structure. Background technique [0002] In recent years, my country's real estate industry has developed vigorously, various types of buildings have sprung up, and urban construction land has become increasingly tense. In order to make full use of space and alleviate the shortage of urban land, modern cities have adopted strategies to develop high-altitude and underground. There are more and more high-rise and super high-rise buildings, and large-scale deep foundation pit technology is also being used more and more. [0003] With the development and changes of urban layout and overall planning, there are more and more projects for the integrated development of large-scale underground space ad...

Claims

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Application Information

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IPC IPC(8): E02D17/02E02D17/04
CPCE02D17/02E02D17/04
Inventor 刘向科王利民许世雄唐永福林建军左其和崔江余李嘉冀张国立黄金晶
Owner BCEG CIVIL ENG
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