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Suspension device and method for large-span ultrahigh-voltage electric power pipe ditch in subway station foundation pit

A technology for subway stations and suspension devices, applied in ground cable installation, cable installation, infrastructure engineering, etc., can solve problems such as failure to meet construction period requirements, achieve universal applicability and promotion, avoid economic losses, and economic benefits and significant social benefits

Active Publication Date: 2021-11-09
GEZHOUBA GROUP FOUND ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a large-span ultra-high voltage power pipe ditch suspension device and method in the foundation pit of a subway station. The overall cable suspension method has significant advantages in terms of construction period and economy, and does not affect the normal use of cables and the normal construction of foundation pits

Method used

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  • Suspension device and method for large-span ultrahigh-voltage electric power pipe ditch in subway station foundation pit
  • Suspension device and method for large-span ultrahigh-voltage electric power pipe ditch in subway station foundation pit
  • Suspension device and method for large-span ultrahigh-voltage electric power pipe ditch in subway station foundation pit

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Embodiment Construction

[0046] The technical solution of the present invention will be described in detail below in conjunction with the drawings and embodiments.

[0047] Such as figure 1As shown in , the suspension device for the large-span ultra-high voltage power pipe trench in the foundation pit of the subway station includes the steel structure truss 2 connected to the power pipe trench 1, and the two sides of the steel structure truss 2 are suspended and connected The two ends of the truss 2 extend into the power pipe ditch 1, and a plurality of lattice supports 3 are arranged along the direction of the steel structure truss 2. Fixed connection, the cable is placed in the power pipe trench 1 and the steel structure truss 2, the overall weight of the cable and the steel structure truss 2 is shared by multiple lattice supports 3, the lower part of the steel structure truss 2 is formed by the lattice support 3 and the foundation pit of space is used for construction.

[0048] The bottom part of...

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Abstract

The invention discloses a suspension device and method for a large-span ultrahigh-voltage electric power pipe ditch in a subway station foundation pit. The device comprises a steel structure truss connected with the electric power pipe ditch, wherein the two ends of the steel structure truss extend into the electric power pipe ditch, a plurality of lattice supports are arranged in the direction of the steel structure truss, the lattice supports make contact with the lower end of the steel structure truss, the lower end of the lattice support is fixedly connected with the ground foundation of the foundation pit, and a cable is placed in the electric power pipe ditch and the steel structure truss. The construction method comprises the steps of cable protection, pipe ditch dismantling, truss installation and restoration after the foundation pit is completed, and the problem that station construction is affected due to the fact that the electric power pipe ditch cannot be relocated in subway station construction, or the top sealing construction period of the station is influenced by long relocation and relocation period and high cost can be well solved.

Description

technical field [0001] The invention relates to the technical field of urban rail transit and comprehensive pipe gallery construction, in particular to a suspension device and method for a large-span ultra-high voltage power pipe trench in a foundation pit of a subway station. Background technique [0002] The subway projects in various cities in my country generally radiate from the existing urban area to the suburbs. Most of the stations are located under the main roads of the city. Various underground pipelines such as urban rainwater, natural gas, water supply, communication, and electricity are crisscrossed. All kinds of pipelines within the construction scope should be permanently relocated or temporarily relocated to meet the construction conditions of the subway structure. [0003] The domestic urban power supply network is mainly composed of 330kV, 110kV, 10kV and other substations at various levels. The power pipe trench in the city is generally laid with 10kV, 110k...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G9/02E02D29/045
CPCH02G9/02E02D29/045
Inventor 王振坤石艳军艾晶晶欧阳红星曹富荣简容海郭二涛
Owner GEZHOUBA GROUP FOUND ENG
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