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Foundation pit supporting reinforcing device

A reinforcement device and foundation pit support technology, which is applied in the direction of foundation structure engineering, excavation, construction, etc., can solve the problems of weakening of the overall stiffness and anti-overturning ability of the foundation pit support structure, and improve the overall stiffness and anti-overturning ability , enhance resistance, and effectively complete the effect

Active Publication Date: 2014-11-19
SOUTHWESTERN ARCHITECTURAL DESIGN INST
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] During the construction of some foundation pits, due to changes in the surrounding environment of the foundation pit, or due to project needs, it is necessary to deepen the foundation pit that is about to be constructed. At this time, the original foundation pit support structure has been formed and cannot be changed. The overall stiffness and anti-overturning ability of the pit support structure become weaker

Method used

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  • Foundation pit supporting reinforcing device
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Embodiment Construction

[0018] The core of the present invention is to provide a foundation pit support and reinforcement device, which can improve the overall rigidity and anti-overturning ability of the deepened foundation pit support structure.

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0020] Please refer to Figure 1 to Figure 2 , in a specific embodiment, the foundation pit support and reinforcement device provided by the present invention includes a rigid rotary grouting pile 4 and a rotary grouting reinforced soil 1 for bonding with one side of the support pile 5, the rigid rotary grouting The spray pile 4 is arranged in the soil body 1 reinforced by rotary grouting, and the stiff rotary grouted pile 4 includes a rigid bod...

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Abstract

The invention discloses a foundation pit supporting reinforcing device which comprises a stiffness jet grouting pile and a jet grouting reinforcement soil body used for being attached to one side of a supporting pile. The stiffness jet grouting pile is arranged in the jet grouting reinforcement soil body and comprises a stiffness body and a jet grouting body attached to the outer surface of the stiffness body. Due to the fact that the jet grouting reinforcement soil body and the stiffness jet grouting pile are arranged on one side of the supporting pile, the resistance of the soil body at the bottom of a foundation pit is strengthened, the supporting pile is effectively prevented from deforming in the working process, and the integral rigidity and the anti-overturning ability of the deepened foundation pit supporting structure are improved. Compared with other reinforcing pile bodies, the construction period of the stiffness jet grouting pile is shorter, and the foundation pit supporting reinforcing device is rapidly and effectively achieved.

Description

technical field [0001] The invention relates to the technical field of foundation pit construction, in particular to a support and reinforcement device for foundation pits. Background technique [0002] With the increasing shortage of urban land, the pace of basement construction is also accelerating, and foundation pit support has become an important link in the excavation of underground structure foundation pits. At present, support piles are widely used as the foundation pit support structure in foundation pit construction to prevent deformation of the surrounding environment of the foundation pit and collapse of the foundation pit, and ensure smooth progress of engineering construction and construction safety. [0003] During the construction of some foundation pits, due to changes in the surrounding environment of the foundation pit, or due to project needs, it is necessary to deepen the foundation pit that is about to be constructed. At this time, the original foundati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04
Inventor 王成颜光辉符征营代东涛兰丁柯章学良康景文
Owner SOUTHWESTERN ARCHITECTURAL DESIGN INST
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