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Construction method for high-precision control measurement of cast-in-situ faced concrete wind tunnel

A technology of fair-faced concrete and control measurement, applied in the direction of measurement device, machine/structural component testing, instruments, etc., can solve problems such as affecting the construction progress and construction quality, restoring the control point, and the control network is unstable, etc. Reduced measurement and stakeout time, good economic benefits, improved stability and reliability

Inactive Publication Date: 2020-01-03
CHINA CONSTR EIGHT ENG DIV CORP LTD
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is: to provide a construction method for high-precision control measurement of a cast-in-place concrete wind tunnel, to solve the problem of traditional construction control measurement, the control points of which will have different degrees of micro-movement during use, resulting in control network Instability, low reliability, large amount of work to restore control points, problems that affect construction progress and construction quality, improve reliability in the process of control measurement

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  • Construction method for high-precision control measurement of cast-in-situ faced concrete wind tunnel
  • Construction method for high-precision control measurement of cast-in-situ faced concrete wind tunnel
  • Construction method for high-precision control measurement of cast-in-situ faced concrete wind tunnel

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Embodiment Construction

[0029] The present invention will be further described below with reference to the accompanying drawings and embodiments, and the mode of the present invention includes but not limited to the following embodiments.

[0030] Such as Figure 1~4 Shown:

[0031] A construction method for high-precision control measurement in a wind tunnel of cast-in-place fair-faced concrete, including the following steps:

[0032] S1: Arrangement of control outlets, including plane control outlets and elevation control outlets; plane control outlets are considered as a whole, following the principle of first overall, then local, high-precision control and low-precision, including the first-level control outlets in the field area and individual projects Control outlets and axis control outlets; the establishment of the first-level control outlets in the field area is based on the reference point provided by the owner, and the total station is used for measurement and layout. Set up control poin...

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Abstract

The invention discloses a construction method for high-precision control measurement of a cast-in-situ faced concrete wind tunnel. A forced centering device is installed on a control point column; theoverall layout of a control point is established by adopting a most stable triangular network; the stability and reliability of the control point are detected, corresponding guarantee measures are adopted, and a highly stable and reliable measurement control network is formed; in each step of the construction process, more than two construction control measurement methods and a guarantee measureare adopted, including a coordinate method, a suspension method, a light velocity method, a three-dimensional laser scanning method, a BIM modeling method and the like, so that a stable system with aplurality of measurement methods checking each other is formed, and the use precision, stability and reliability of traditional lofting control points and control lines are improved.

Description

technical field [0001] The invention relates to the technical field of wind tunnel construction, in particular to a construction method for high-precision control and measurement of a cast-in-place concrete wind tunnel. Background technique [0002] With the vigorous development of the construction industry, more and more landmark buildings are designed and constructed with fair-faced concrete. Fair-faced concrete is an expression method of architectural modernism. It is also called decorative concrete because of its great decorative effect. After the concrete is poured, there is no longer any painting, tiles, stones and other materials, showing a plain color of concrete. method. Compared with traditional construction projects, which put forward higher requirements on one-time molding, control measurement, as the core work of the construction stage, has become the top priority in determining the construction quality of fair-faced concrete. [0003] In recent years, the har...

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Application Information

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IPC IPC(8): G01M9/02G01M9/04
CPCG01M9/02G01M9/04
Inventor 刘志强田宝吉赵栩欣梁栋鞠国磊王保栋曹江周殷弘马新春嵇朵平王洪超谢冬文鲍小鲁秦靖闰王森基
Owner CHINA CONSTR EIGHT ENG DIV CORP LTD
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