Deep-foundation-pit reservoir and construction method thereof

A construction method and foundation pit technology, which can be used in water conservancy projects, infrastructure engineering, excavation, etc., and can solve the problems of high cost and many consumables

Inactive Publication Date: 2018-01-05
JIANGXI JIYE SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the prior art, the retaining wall structure in which the pile body is inserted below the so

Method used

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  • Deep-foundation-pit reservoir and construction method thereof
  • Deep-foundation-pit reservoir and construction method thereof
  • Deep-foundation-pit reservoir and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] like figure 1 As shown, a deep foundation pit reservoir includes: a foundation pit 1, the foundation pit is in the shape of a barrel; several piles 2 are arranged circularly along the pit wall of the foundation pit 1, and are interlocked together to form A circumferentially closed retaining wall 3; an internal support structure 4 is arranged circularly along the inner wall of the retaining wall 3, and the retaining wall 3 is supported by the inner side of the retaining wall 3 toward the soil A; the pile body 2 The bottom end is located on the bottom surface of the foundation pit 1 .

[0044] The deep foundation pit reservoir in this embodiment preferably includes: the inner support structure 4 includes at least one inner support ring beam, and the at least one inner support ring beam is annularly arranged along the inner wall of the retaining wall 3 .

[0045] The deep foundation pit reservoir in this embodiment preferably includes: pile top ring beam 5, which is ring-...

Embodiment 2

[0053] This embodiment discloses a construction method for a deep foundation pit reservoir, which includes the following steps: a. setting interlocking pile positions on the leveled construction site, wherein the pile positions are arranged in a circle; b. Drilling holes on the pile positions to form pile holes, pouring concrete or cement soil into the pile holes to form several pile bodies interlocking with each other, the pile bodies are arranged in a ring to form a circumferentially closed retaining wall; c . Excavate the soil surrounded by the retaining wall to the design depth, and arrange the inner support structure in a ring along the inner wall of the retaining wall, wherein the inner support structure is formed by the inner side of the retaining wall to the soil body The retaining wall forms a support, and the design depth is above the bottom of the pile; d. Excavate the soil surrounded by the retaining wall above the bottom of the pile to form a foundation pit, and ma...

Embodiment 3

[0060] This embodiment also discloses a construction method for a deep foundation pit reservoir, which includes the following steps: a. Setting interlocking pile positions on the leveled construction site, wherein the pile positions are arranged in a circle; b. Insert several prefabricated piles with an interlocking structure on the pile position, the prefabricated piles are interlocked together by the interlocking structure, the prefabricated piles are arranged in a ring, and form a closed retaining wall; c. For the retaining wall The surrounding soil is excavated to the design depth, and the inner support structure is arranged circularly along the inner wall of the retaining wall, wherein the inner support structure is supported by the inner side of the retaining wall to the soil, Wherein, the design depth is above the bottom of the pile body; d. Excavate the soil surrounded by the retaining wall above the bottom of the pile body to form a foundation pit, and make the pile bo...

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PUM

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Abstract

The invention discloses a deep-foundation-pit reservoir. The deep-foundation-pit reservoir comprises a foundation pit, multiple pile bodies and an inner support structure, wherein the foundation pit is in a drum shape; the multiple pile bodies are arranged along the pit wall of the foundation pit in a ringlike manner and occlude with one another, so that a circumferentially-closed barrier wall isformed; the inner support structure is arranged along the inner wall of the barrier wall in a ringlike manner, and the inner support structure is in the direction from the interior of the foundation pit to a soil body, so that the barrier wall is supported; and the bottom ends of the pile bodies are arranged on the bottom face of the foundation pit in a support manner. By means of the deep-foundation-pit reservoir, the pile bodies only serve as a medium of a barrier body; the situation that the pile bodies rely on the soil body anchored below the bottom face of the foundation pit to generate counter-acting force to absorb the side pressure applied by the surrounding soil body outside piles to the pile bodies is avoided, and the side pressure is transmitted to inner support ring beams, so that the inner support structure bears more side pressure; and the effect that the inner support structure is reinforced, and the piles are weakened is achieved. The side pressure of the soil body is absorbed by additionally arranging the inner support ring beams, and the required materials are far fewer than those required for inserting part of the pile bodies into the foundation pit.

Description

technical field [0001] The invention relates to a foundation pit supporting structure and a construction method, in particular to a deep foundation pit reservoir and a construction method thereof. Background technique [0002] At present, with the development of society, urban land resources are becoming more and more scarce. When the buildings above the ground cannot meet people's needs, it will lead to more and more demands for the use of underground space. The current underground space wants to expand the utilization rate. It can only expand its own area horizontally, or increase the depth of underground space vertically. In modern cities, it is obviously impossible to expand the area of ​​underground space horizontally, and it will affect other urban buildings, which makes it difficult to increase the depth of underground space vertically. Depth has been paid more and more attention by architects. At present, most of the deep foundation pits are designed to be square or...

Claims

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Application Information

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IPC IPC(8): E02D17/04E02D29/02
Inventor 刘献刚胡保根屈峰
Owner JIANGXI JIYE SCI & TECH
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