Permanent support device for monitoring displacement of flat top guide hole top plate and support monitoring method

A technology of permanent support and guide hole, applied in excavation, foundation structure test, construction and other directions, can solve the problems of poor product quality and low production efficiency, achieve simple structure, solve the problem that measuring points are often destroyed, daily operation and maintenance. Flexible and convenient maintenance

Pending Publication Date: 2020-03-06
BCEG CIVIL ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The invention discloses a permanent support device for monitoring the displacement of the top plate of a flat-roofed pilot tunnel and a method for using the same, so as to solve the problems of low production efficiency and poor product quality in the prior art

Method used

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  • Permanent support device for monitoring displacement of flat top guide hole top plate and support monitoring method
  • Permanent support device for monitoring displacement of flat top guide hole top plate and support monitoring method
  • Permanent support device for monitoring displacement of flat top guide hole top plate and support monitoring method

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Embodiment Construction

[0022] The present invention can be better understood from the following examples. However, those skilled in the art can easily understand that the content described in the embodiments is only for illustrating the present invention, and should not and will not limit the present invention described in the claims.

[0023] Such as figure 1 and 2 Shown is a permanent support device for monitoring the displacement of the roof of a flat-top pilot tunnel, including a load-bearing base 1, a load-bearing column 2, a guide screw 3, a load-bearing screw sleeve 4, a support plate 5, a sheath tube 6, a control room 7, and a traction Pull rope 8, pull rope type tension sensor 9, laser transmitter 10, photosensitive detection disc 11, pressure sensor 12 and control circuit 13, wherein the bearing base 1 is distributed parallel to the horizontal plane, and its upper end surface is connected with the bearing column 2 and distributed coaxially , the upper end surface of the bearing column 2 ...

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Abstract

The invention discloses a permanent support device for monitoring displacement of a flat top guiding hole top plate. The permanent support device comprises a bearing base, a bearing column, a guidingscrew rod, a bearing screw sleeve, a supporting plate, a sheath pipe, a control room, a traction pull rope, a pressure sensor and a control circuit. The upper end surface of the bearing base is connected with the bearing column. The upper end surface of the bearing column is connected with the guiding screw rod through a positioning mechanism. The bearing screw sleeve is in meshing connection withthe guiding screw rod. The upper end surface of the bearing screw sleeve is hinged to the lower end surface of the supporting plate. The sheath pipe is connected with the bearing column through the positioning mechanism. The lower end surface communicates with a control room. The traction pull rope and a laser transmitter are located in the sheath pipe. A support monitoring method of the permanent support device comprises the two steps of equipment assembly and support monitoring. The permanent support device is simple in system composition, flexible and convenient to install, daily operateand maintain, has little influence on site construction, and can be widely applied to guiding hole support and top plate settlement monitoring in subway station hole pile method construction.

Description

technical field [0001] The invention belongs to the technical field of civil construction and monitoring equipment, and in particular relates to a permanent support device for monitoring the displacement of the roof of a flat-top pilot tunnel and a method for using the same. Background technique [0002] In the construction of urban subway stations, the hole pile method is a relatively common construction method. In the construction plan of the hole pile method, it is necessary to excavate a small pilot tunnel first, and then construct the surrounding protection piles and crown beams in the pilot tunnel. In order to prevent the large sinking deformation of the roof of the pilot tunnel, it is necessary to install support device. As an important part of information construction, it is necessary to measure the convergence and sinking of the roof of the pilot tunnel during the construction process. However, due to the small space in the pilot tunnel, the process is complicated,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D33/00E02D17/08
CPCE02D17/08E02D33/00
Inventor 刘兵科郑金雷贺家新邵翔宇姚文博白守兴郭旭东王爱军郭振虎邢旗胜李益铭戴宗辉崔辰秋贾小杰
Owner BCEG CIVIL ENG
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