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Three-limb-shaped rigid combined supporting system

A support system and section steel technology, which is applied in construction, excavation, and infrastructure engineering, can solve problems such as safety, low stability, insufficient process precision, and low strength, and achieve convenient installation and removal, high strength, and control The effect of pit deformation

Active Publication Date: 2022-05-13
EAST CHINA JIAOTONG UNIVERSITY +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In summary, the inventor believes that the existing technology has the following defects: the traditional support has low strength, relatively small stiffness, insufficient process precision, low safety and stability, etc.

Method used

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  • Three-limb-shaped rigid combined supporting system
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  • Three-limb-shaped rigid combined supporting system

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Embodiment Construction

[0032] 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. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0033] The present invention provides following technical scheme:

[0034] A three-limb-shaped rigid combination support system, the support system includes a first-layer support system and a second-layer support system, and the first-layer support system and the second-layer support system are connected to form a whole through connectors;

[0035] Such as figure 1 As shown, the first-layer support system includes crown beams 1 arranged symmetrically, eight-s...

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Abstract

The invention discloses a three-limb type rigid combined supporting system, and relates to the technical field of foundation pit supporting, the supporting system comprises a first-layer supporting system and a second-layer supporting system, and the first-layer supporting system and the second-layer supporting system are connected into a whole through a connecting piece; the first-layer supporting system and the second-layer supporting system are both connected with bored piles, and the bored piles are connected with H-shaped section steel supports in the splayed supports in the first-layer supporting system and section steel enclosing purlins in the second-layer supporting system through I-shaped force transmission pieces correspondingly. The high-strength bolts are adopted to connect the multiple pieces of profile steel to form a support, compared with a traditional support, the joint strength is high, the rigidity is large, the stability is good, all parts can be prefabricated in a factory and rapidly installed and positioned on site, accuracy is achieved, meanwhile, the construction speed is guaranteed, and meanwhile the later-period disassembling process of the three-limb-shaped profile steel combined supporting system is convenient, simple and fast.

Description

technical field [0001] The invention relates to the technical field of foundation pit support, in particular to a three-leg-shaped rigid combination support system. Background technique [0002] In recent years, my country has continuously promoted the development of various underground spaces to alleviate the long-term congestion caused by excessive pressure on ground roads and improve the travel efficiency of the people. The key point of this type of underground engineering construction is the construction of deep foundation pits. In urban construction, the depth of some foundation pits has reached more than 30m, and the surrounding environment of foundation pits in the city is complex, with a large number of adjacent buildings and complex underground structures. Therefore, higher requirements are put forward for the safety and stability of the support structure in the foundation pit engineering. Common support types in foundation pit engineering mainly include concrete s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04
CPCE02D17/04Y02E10/50
Inventor 耿大新艾鹏鹏谭成禹丽峰王宁莫永春黄永虎章新生祝俊华程贤红
Owner EAST CHINA JIAOTONG UNIVERSITY
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