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Super-long and large horizontal embedded part reverse construction method

A technology of reverse construction and embedded parts, which is applied in construction and infrastructure engineering, etc., can solve the problems of large construction errors and difficult modification, and achieve the effect of improving the guarantee rate and saving manpower

Inactive Publication Date: 2013-11-13
TIANJIN 20 CONSTR
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  • Summary
  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0003] In order to solve the problems existing in the prior art, the present invention provides a reverse construction method of super-long and large horizontal embedded parts, which overcomes the problems of relatively large construction errors and difficult modification in the prior art

Method used

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  • Super-long and large horizontal embedded part reverse construction method
  • Super-long and large horizontal embedded part reverse construction method
  • Super-long and large horizontal embedded part reverse construction method

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Embodiment Construction

[0019] Below in conjunction with accompanying drawing, the present invention will be described in further detail:

[0020] Such as figure 1 As shown, the reverse method steps of super long and large horizontal embedded parts of the present invention are as follows: 1. Before construction, the steel plate is cut and processed into the required size of embedded parts by plasma welding. Do not use gas cutting welding to avoid excessive thermal deformation, and then weld 1 / 2 to 2 / 3 of the anchor fluke on the embedded part according to the drawing. To avoid thermal processing, it is advisable to use single-head threaded bolts of the same thickness, specification and length for the reserved part of the anchor fluke to replace them with a spacing of about 500mm;

[0021] 2. Then tie up the equipment foundation reinforcement, support the equipment foundation template, measure and set out the wires, and pre-embed the anchor bolts according to the pre-replaced positions (to ensure that...

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Abstract

The invention discloses a super-long and large horizontal embedded part reverse construction method. The method comprises the following steps: constructing a concrete equipment foundation; reserving an anchoring junction and a secondary casting layer in a corresponding range; embedding an embedded part; and performing secondary casting after leveling. According to the method, since repeated reinforcement, calibration and fixation work at the early stage are saved, the secondary casting can be performed by only arranging the embedded part after completion of primary casting; and thus, the investment in engineering resources such as labor and measure materials can be greatly saved, and the construction progress can be improved by 30-40 percent.

Description

technical field [0001] The invention relates to an upside-down embedded part construction, in particular to a super-long or large-scale horizontal embedded part construction applied to various equipment foundations and track scale foundations. Background technique [0002] In engineering construction, it is often encountered that the burial of super-long continuous embedded parts, and some components have high requirements for the horizontal accuracy of the embedded parts. After the embedded parts are constructed, the surface level is required to be within ± 3mm, such as the common rail scale foundation embedded parts construction. Our usual construction method is to bury the embedded parts first, and use the fixing frame and welding control frame to fine-tune the level of the embedded parts and then pour concrete or pour concrete. Fine adjustment and reinforcement level, after the concrete pouring is completed, it is difficult to make corrections once there is a large erro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/44
Inventor 郭超何柳蔡芳霆孙英雷李仔仪刘延凯黄占成王宝朝陈文海宋淑婷
Owner TIANJIN 20 CONSTR
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