Pit supporting structure and construction method thereof

A foundation pit support and construction method technology, which is applied in the field of building foundations, can solve the problems of inconvenience in basement construction, prolong the construction period of foundation pits, and increase project costs, etc.

Active Publication Date: 2011-04-13
温州城建集团股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The disadvantage is that the construction, maintenance, replacement and removal of concrete supports prolong the constructi

Method used

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  • Pit supporting structure and construction method thereof
  • Pit supporting structure and construction method thereof
  • Pit supporting structure and construction method thereof

Examples

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Embodiment Construction

[0022] See attached figure 1 to attach Figure 5 , a foundation pit support structure disclosed by the present invention comprises a foundation pit support row pile 1, a water stop and soil stop curtain 2, and an anti-side row pile 3, and the foundation pit support row pile 1 is set to be long The cast-in-place concrete thin-walled pipe piles separated by piles 11 and short piles 12 are preferred in this embodiment. The long piles 11 of the cast-in-place concrete thin-walled pipe piles are evenly distributed, and there are two equidistantly distributed between every two long piles 11. 12 short piles. The water-stop and soil-stop curtain 2 and the anti-side row piles 3 are all set as cement mixing piles, and the water-stop and soil-stop curtain 2 are set as a row of interlocking cement mixing piles (that is, each cement mixing pile is connected to the adjacent part of the cement mixing pile overlaps), the anti-side row pile 3 is set as several rows of two-way interlocking cem...

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Abstract

The invention relates to a pit supporting structure and a construction method thereof. The pit supporting structure comprises pit supporting row piles, water and soil stopping curtains and lateral row piles, wherein the pit supporting row piles are long and short cast-in-place concrete thin-wall pipe piles at intervals; the water and soil stopping curtains and the lateral row piles are cement mixing piles; the water and soil stopping curtains are a row of mutually engaged cement mixing piles; the lateral row piles are a plurality of rows of bidirectionally engaged cement mixing piles; the water and soil stopping curtains are arranged on one side of pit supporting row piles corresponding to the periphery of the pit; and the lateral row piles are arranged at the bottom of the pit on one side of the pit supporting row piles corresponding to the pit. The technical scheme has the effects that a basement structure is convenient to construct, the pit construction period is shortened and the construction cost is saved.

Description

technical field [0001] The invention relates to the technical field of building foundations, in particular to a foundation pit support structure and a construction method thereof. Background technique [0002] With the development of urban construction, high-rise buildings are gradually increasing, and urban buildings are becoming more and more dense. Due to the requirements of the use function and the development of underground space, high-rise buildings are generally designed with a basement with a large plane size and depth. The development of underground space involves the safety of deep building foundation pits, which is especially important for densely built areas located on soft soil foundations. Especially in cities located in coastal alluvial and alluvial plains, the project sites are mostly soft soils, and soil nail walls are often used for foundation pit support, and the foundation pit deformation and slope soil displacement are relatively large, especially in th...

Claims

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Application Information

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IPC IPC(8): E02D17/02E02D19/18E02D5/34E02D19/20
Inventor 徐佩林陈林
Owner 温州城建集团股份有限公司
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