Traction pipe well chamber foundation pit supporting structure and construction method thereof
A foundation pit support and support structure technology, which is applied in the direction of foundation structure engineering, excavation, drainage structures, etc., can solve the problems of large damage surface and unsealable support, achieve low construction cost, reduce foundation pit collapse, and achieve good results obvious effect
Active Publication Date: 2019-12-31
CHINA FIRST METALLURGICAL GROUP
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Problems solved by technology
[0004] In view of this, the present invention proposes a support structure and construction method for the foundation pit of the pull tube well chamber, aiming at solving the problems that the existing support cannot be closed and the damage surface is large
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[0023] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0024] Example of foundation pit support structure:
[0025] see Figure 1 to Figure 5 , which is the preferred structure of the foundation pit supporting s...
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The invention provides a traction pipe well chamber foundation pit supporting structure and a construction method of the traction pipe well chamber foundation pit supporting structure. The foundationpit supporting structure comprises two sets of cement stirring pile assemblies provided with a plurality of rows of cement stirring piles. The two sets of cement stirring pile assemblies are arrangedin the width directions of the two side walls, provided with traction pipe pipelines, of a foundation pit. The traction pipe pipelines penetrate through the cement stirring pile assemblies. The cementstirring pile assemblies are used for forming a pile body to solidify soft sand soil. A plurality of Larssen steel plate piles are arranged at the positions except for the positions provided with thetraction pipe pipelines and between the two sets of cement stirring pile assemblies in the circumferential direction. A closed supporting structure is formed between the Larssen steel plate piles andthe cement stirring pile assemblies. The fully-closed and stable closed supporting structure is formed. Soil bodies at the two ports of the traction pipe pipelines of the foundation pit are formed. The stable and closed supporting structure is formed. The foundation pit forms a water blocking closed space. Water is effectively separated. The risks of foundation pit collapse and road subgrade hollowing are reduced, and the collapse risk is avoided.
Description
technical field [0001] The invention relates to the technical field of foundation pit support, in particular to a foundation pit support structure and a construction method of a pull tube well chamber. Background technique [0002] With the rapid development of cities and the continuous construction of various infrastructures, the area of urban waters has decreased, waterlogging is serious, and urban drainage projects have increased in construction. However, the buildings in the city are getting denser and denser, and the process of open excavation will have a greater impact on the original underground pipelines, traffic and environment of the city, making the already congested traffic conditions and the deteriorating urban environment even more serious Instead of excavating and pulling pipes, this new technology is being widely used. [0003] During the construction process in the sandbar environment, it was found that for the deep sewage pipelines, the construction proc...
Claims
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IPC IPC(8): E02D17/04E02D5/46E02D5/04E02D5/08E03F5/06
CPCE02D17/04E02D5/46E02D5/04E02D5/08E03F5/06
Inventor 夏志聪胡静文杨志军赵海莲马越江明
Owner CHINA FIRST METALLURGICAL GROUP