A foundation pit support structure

A technology of foundation pit support and support rods, which is applied in the direction of foundation structure engineering, excavation, construction, etc., can solve the problems of flat support occupying the space in the pit, long construction period, and increased project cost, so as to achieve convenient installation and disassembly and low production cost. Low, eliminate the effect of welding
CN104294828BActive Publication Date: 2016-01-27杭州爱默乐实验设备有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
杭州爱默乐实验设备有限公司
Publication Date
2016-01-27

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Abstract

The invention relates to a supporting structure of a foundation pit. The supporting structure comprises a base plate, a supporting base, a supporting rod, a supporting frame, rectangular pipes and a protection plate. The supporting frame comprises a bracket and a second connecting block, the second connecting block is formed by bending a steel plate into a U shape. The whole bracket is formed by bending round steel to be of a U-shaped frame structure, the bracket comprises connecting portions and locating portions, the connecting portions are two pieces of straight round steel welded to the bottom of the second U-shaped connecting block in a spaced mode, the two pieces of straight round steel are parallel to the two side walls of the second U-shaped connecting block respectively, the two locating portions are U-shaped round steel, and the two open ends of the locating portions are fixedly connected with the same ends of the two pieces of straight round steel respectively. The two rectangular pipes are welded to one side of the protection plate in parallel in a spaced mode, the inner sides of the locating portions of the bracket are attached to the two rectangular pipes respectively, a pin penetrates through the bottom of the second connecting block and the protection plate, and a pin sheet is inserted into the end, close to the protection plate, of the pin to fix the bracket and the protection plate. The supporting structure is simple, mounting is convenient, and a large amount of manpower and a large number of material resources are saved.
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Description

technical field

[0001] The invention relates to the technical field of civil engineering, in particular to a foundation pit support structure. Background technique

[0002] During the excavation of the foundation pit, the surrounding soil will inevitably be deformed, which will affect the surrounding buildings and underground pipelines. Seriously, it will endanger its normal use or safety. In order to avoid this situation, a support system will be added to stabilize the safety of the foundation pit in deep foundation design and pit construction. At present, there are three main forms: flat brace, diagonal brace and reverse anchoring technology .

[0003] Flat braces are currently widely used in deep foundation pits, but flat braces take up a lot of space in the pit, and the construction period is long, which is not conducive to excavation operations. There are great safety hazards in later demolition, which not only increases the cost of the project, but also is not conduci...

Claims

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