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Underpinning method for subway open-cut interval crossing non-displacement electric tower foundation

A technology for electric towers and foundations, which is applied in the underpinning field of subway open excavation sections crossing non-relocation electric tower foundations, can solve the problems of restricting the overall project construction period and increasing construction costs, so as to reduce the cost of relocation and improve construction efficiency , to avoid the effects of delays in the construction period

Pending Publication Date: 2022-05-27
中庆建设有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

During the construction of subway projects, structures are usually encountered, and the structures are relocated. On the one hand, the construction cost is increased, and on the other hand, the relocation progress restricts the overall project construction period.

Method used

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  • Underpinning method for subway open-cut interval crossing non-displacement electric tower foundation
  • Underpinning method for subway open-cut interval crossing non-displacement electric tower foundation

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Embodiment Construction

[0023] In order to make the above objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0024] In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar promotions without departing from the connotation of the present invention. Accordingly, the present invention is not limited by the specific embodiments disclosed below.

[0025] Please refer to figure 1 and figure 2 , figure 1 A schematic flowchart of an underpinning method for crossing the foundation of a non-displacement power tower in a subway open-cut section provided by a specific embodiment of the present invention; figure 2 This is...

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Abstract

The invention discloses an underpinning method for a subway open-cut section to pass through a non-displacement electric tower foundation. The underpinning method comprises the steps that a new electric tower foundation is constructed above an original electric tower foundation; constructing an electric tower cover plate above the new foundation of the electric tower; removing the original foundation of the electric tower; and an open-cut frame structure is constructed below the new foundation of the electric tower through a cover-excavation top-down construction method. Through the underpinning method, the electric tower does not need to be removed, the removing cost is reduced, the influence of construction period lag caused by electric tower changing is avoided, therefore, the construction efficiency can be improved, in addition, during construction, the structure safety of the electric tower can be ensured, and normal power supply is not influenced.

Description

technical field [0001] The invention relates to the field of tunnel construction, in particular to an underpinning method for crossing a non-displacement electric tower foundation in a subway open-cut section. Background technique [0002] At present, subway construction has entered a period of rapid development, and the operation of subways in big cities can ease the pressure on urban traffic and conform to the concept of green travel. During the construction of subway projects, structures are usually encountered, and the relocation of structures will increase the construction cost on the one hand, and restrict the overall project construction period on the other hand. [0003] Therefore, how to improve the construction efficiency when subway construction encounters structures is a technical problem that those skilled in the art need to solve urgently. SUMMARY OF THE INVENTION [0004] The purpose of the present invention is to provide an underpinning method for crossing...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/42E02D29/045E04G23/06E04H12/20E04H12/22
CPCE02D27/42E02D29/04E02D29/045E04G23/06E04H12/20E04H12/22
Inventor 杨松冯玉宝张洪军方长明郭源明吕直于超阚宝财刘士玉黄浩杨晋
Owner 中庆建设有限责任公司
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