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Construction method for adjacent deep foundation pits close to tramcar

A technology for trams and construction methods, applied in infrastructure engineering, excavation, construction, etc., can solve problems such as large waste of manpower, materials, and machines, long construction period span, and high pressure on project cost control

Inactive Publication Date: 2021-09-10
SHANGHAI BAOYE GRP CORP +1
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Problems solved by technology

[0004] Independent excavation refers to the construction of another deep foundation pit after the completion of one deep foundation pit underground project. This method has the least impact on the surrounding soil, but it wastes a lot of manpower, materials and machines, and the construction period is too long. Cost control is under great pressure

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  • Construction method for adjacent deep foundation pits close to tramcar
  • Construction method for adjacent deep foundation pits close to tramcar
  • Construction method for adjacent deep foundation pits close to tramcar

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Embodiment Construction

[0032] The invention discloses one.

[0033] 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.

[0034] see Figure 1-5 .

[0035] The invention discloses a construction method for an adjacent deep foundation pit adjacent to a tram, comprising the steps of:

[0036] 1) Staggered excavation of two adjacent deep foundation pits;

[0037] 2) Carry out foundation pit protection for two adjacent deep foundation pits.

[0038] The construction method of the adjacent deep foundation pits close to the tramway disclosed in...

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Abstract

The invention discloses a construction method for adjacent deep foundation pits close to a tramcar. The construction method comprises the steps that firstly, the two deep foundation pits are excavated in a staggered mode; and then the two excavated deep foundation pits are subjected to foundation pit enclosure, and the stability of the foundation pits and the safety of operation in the foundation pits are ensured. The two deep foundation pits are excavated in the staggered mode, compared with a synchronous excavation mode in the prior art, the situation that settlement of the tramcar is affected by large-area soil body unloading caused by long-strip-shaped foundation pit excavation is avoided, and the situation that the tramcar stops running or the running stability of the tramcar is affected due to rail settlement of the tramcar is avoided; and meanwhile, compared with a mode that the two deep foundation pits are excavated independently in the prior art, the construction period is shortened, the cost is reduced, and the control pressure is relieved.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to a construction method for an adjacent deep foundation pit adjacent to a tram. Background technique [0002] Generally, the excavation methods of two adjacent deep foundation pits include synchronous excavation or independent excavation. [0003] Synchronous excavation means that after each support pouring of each deep foundation pit is completed and maintained and reaches its strength, basin or island excavation is adopted according to the design plan to form a long strip of deep foundation pit. impact on the surrounding soil; [0004] Independent excavation refers to the construction of another deep foundation pit after the completion of one deep foundation pit underground project. This method has the least impact on the surrounding soil, but it wastes a lot of manpower, materials and machines, and the construction period is too long. Cost control is under great ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/02E02D17/04
CPCE02D17/02E02D17/04
Inventor 杨阳曹北东周曹国夏晓航李辉郭宏煜刘恩豪
Owner SHANGHAI BAOYE GRP CORP
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