Foundation pit support structure
A foundation pit enclosure and foundation pit technology, which is applied in the direction of infrastructure engineering, excavation, construction, etc., can solve problems such as difficult to meet the construction requirements of deep foundation pits, and achieve the goals of reducing construction difficulty, ensuring safety requirements, and meeting project schedule requirements Effect
Inactive Publication Date: 2017-01-11
SHANGHAI INVESTIGATION DESIGN & RES INST
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Problems solved by technology
In this case, the traditional foundation pit enclosure structure construction technology is often difficult to meet the construction requirements of deep foundation pits
Method used
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[0022] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.
[0023] Please refer to attached picture. It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so it has no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. within the scope covered by the disclosed technical content. At the same...
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Abstract
The invention provides a foundation pit support structure, and belongs to the technical field of foundation pit support. The foundation pit support structure comprises a plurality of row piles, a plurality of longitudinal structural components, and a plurality of jet grouting pile anchor cables, wherein the row piles are arranged on one side of a foundation pit in sequence and inserted into a soil layer, and the top ends of the row piles are connected through a top connecting structure; the longitudinal structural components are arranged on the sides, close to the foundation pit, of the row piles, each longitudinal structural component is connected with the row piles and provided with a plurality of anchor cable fixing positions, and each anchor cable fixing position is located between the two corresponding adjacent row piles; the jet grouting pile anchor cables are arranged on the sides, away from the foundation pit, of the row piles and all obliquely inserted into the soil layer; and each jet grouting pile anchor cable comprises a jet grouting pile body, an anchor cable body is arranged in each jet grouting pile body, and one end of each anchor cable body is connected with the corresponding anchor cable fixing position through a fixed connecting block. By the adoption of the foundation pit support structure, the safety requirement of excavation of the foundation pit can be effectively guaranteed, the arrangement space of the support structure is reduced, the excavation construction difficulty of the foundation pit is lowered, the construction schedule is accelerated, and the requirement for the engineering construction period is met.
Description
technical field [0001] The invention relates to the technical field of foundation pit protection, in particular to a foundation pit protection structure. Background technique [0002] With the rapid development of modern urban water conservancy project construction, more and more water conservancy projects are built in the central urban area with dense buildings. Due to the restrictions of the original buildings and normal production activities in the city, the construction space is very limited, and the foundation pit enclosure During the design and construction of the structure, it is necessary to ensure the safety of the entire support structure during the construction process, and to control the deformation of the structure and the deformation of the surrounding soil to ensure the safety of the surrounding buildings and underground pipelines. Under the premise of safety, it is necessary to facilitate construction and shorten the construction period. In this case, the tr...
Claims
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Inventor 严丽芳李碧波周俊郑卫华马农乐
Owner SHANGHAI INVESTIGATION DESIGN & RES INST
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