Deep foundation pit supporting structure

A deep foundation pit support and foundation pit technology, applied in infrastructure engineering, construction, excavation, etc., can solve the problems of inconvenient disassembly, achieve the effect of convenient disassembly process and improve work efficiency

Pending Publication Date: 2022-05-13
福建鑫晟嵘建筑工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem of inconvenient disassembly caused by welding operations when the steel sheet pile sup

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0039] Example 1:

[0040] The embodiment of the application discloses a deep foundation pit support structure. reference Figure 1 and Figure 2 , deep foundation pit supporting structure It includes steel sheet piles 1 continuously arranged along the inner wall of the foundation pit. Each steel sheet pile 1 jointly forms a retaining wall 9 with a closed-loop structure. The retaining wall 9 is in a square structure as a whole. The four inner sides of the retaining wall 9 are provided with support beams 2. A plurality of mutually parallel cross support beams 3 are erected between the two opposite support beams 2, in which the cross support beams 3 in different directions are staggered along the vertical direction; The upper surface of the support beam 2 is fixedly connected with a plurality of push plates 21 corresponding to the end of the cross brace beam 3. The cross brace beam 3 is used to force the relative push plates 21 to move away from each other.

[0041] reference Figure 1...

Example Embodiment

[0054] Example 2:

[0055] reference Figure 5 and Figure 6, the difference between this embodiment and embodiment 1 is that the two ends of the cross brace beam 3 are respectively connected with two opposite support beams 2 with a clamping assembly 8, which includes a first clamping block 81, a second clamping block 82 and a sleeve 83;

[0056] The sleeve 83 is sleeved and connected with the end of the first cross support beam 3, one end of the sleeve 83 is closed, the first clamping block 81 is fixedly connected with the closed end of the sleeve 83, a plurality of base plates 84 are placed in the sleeve 83, each base plate 84 is staggered along the length direction of the cross support beam 3, and the base plate 84 is located between the end faces of the cross support beam 3 of the second clamping block 82; The second clamping block 82 is fixedly connected with the push plate 21, and the first clamping block 81 and the second clamping block 82 are staggered along the length direc...

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Abstract

The invention discloses a deep foundation pit supporting structure which comprises steel sheet piles continuously arranged along the inner wall of a foundation pit, the steel sheet piles jointly form a retaining wall of a closed-loop structure, the retaining wall is provided with a plurality of hanging pieces in the circumferential direction, each hanging piece comprises a vertical plate, the upper edge of each vertical plate is provided with a hanging part, and the lower edge of each vertical plate is provided with a hooking part. The hanging pieces are connected with the upper edges of the steel sheet piles in a hanging mode through the hanging parts, supporting beams are jointly erected on the hanging pieces located on the same side in the retaining wall through the hooking parts, a transverse supporting beam is jointly erected between every two opposite supporting beams, and push plates are fixedly connected to the upper surfaces of the supporting beams. And the transverse supporting beams are used for forcing the opposite push plates to generate a moving trend of being far away from each other. The transverse supporting beams playing a transverse supporting role are erected through the supporting beams, the transverse supporting beams are erected through the hanging pieces, welding operation is not needed, and follow-up disassembly is facilitated.

Description

technical field [0001] The application relates to the field of building technology, in particular to a deep foundation pit support structure. Background technique [0002] A foundation pit is an earth pit excavated at the foundation design position according to the basement elevation and foundation plane size. A deep foundation pit refers to an excavation depth of more than 5 meters (including 5 meters), or a depth of less than 5 meters, but the geological conditions and the surrounding environment and underground pipelines are particularly complex projects. The foundation pit support is to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit, and the support, reinforcement and protection measures adopted for the side wall of the foundation pit and the surrounding environment. [0003] There are various forms of foundation pit support, and different foundation pit forms have their own characteristics. The choice o...

Claims

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Application Information

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IPC IPC(8): E02D17/04E02D5/04
CPCE02D17/04E02D5/04
Inventor 柯小曼魏国富陈剑斌
Owner 福建鑫晟嵘建筑工程有限公司
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