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Construction method of complicated high-rise building space cantilever closure measurement

A technology for high-rise buildings and construction methods, which is applied to buildings, measuring devices, and measuring instruments. It can solve problems such as the difficulty in ensuring the precise positioning of large cantilever structural components and smooth closure, and achieve shortened construction periods, strong practicability, and instrument setup. flexible effects

Inactive Publication Date: 2018-10-16
CHINA MCC17 GRP
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  • Summary
  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0004] The present invention provides a construction method for cantilever close-up measurement of complex high-rise building space, which has the characteristics of convenient operation, strong practicability, high operating efficiency, high measurement and control precision, and flexible instrument station setup. It is difficult to ensure the precise positioning and smooth closing of the large cantilever structural components of the building

Method used

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  • Construction method of complicated high-rise building space cantilever closure measurement
  • Construction method of complicated high-rise building space cantilever closure measurement
  • Construction method of complicated high-rise building space cantilever closure measurement

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Embodiment 1

[0037] like figure 1 Shown construction technological process, the concrete implementation steps of the present invention are:

[0038] 1. Accuracy analysis

[0039] The level of measurement accuracy is related to the success or failure of the space cantilever closure, so it is necessary to carry out accuracy analysis and program demonstration.

[0040] 1.1 Accuracy analysis of GPS field control network

[0041] The GPS field area control network adopts dual-frequency GPS equipment, 15s sampling rate, 48-hour continuous observation, using Trimble TTC high-precision calculation software for detailed calculation, and the point error is 1mm.

[0042] 1.2 Accuracy analysis of level I and level II control network

[0043] Level Ⅰ and Ⅱ control networks use measuring robots to measure precision wires. According to the error propagation theorem, the accuracy analysis formula is as follows:

[0044]

[0045]

[0046] 2. Control measurement

[0047] 2.1 Static GPS field cont...

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Abstract

The invention provides a construction method of complicated high-rise building space cantilever closure measurement. A static GPS is used for measuring and setting a field control network; a measuringrobot precise conducting wire measuring technology is used for measuring and setting a building grade I control network and a building inside grade II control network; the structure component displacement measurement is performed in the construction process; a measurement robot is used for dynamic measurement in a key time point of the cantilever closure; and the method aims at solving the problems that a big cantilever structure component of a building is difficult to precisely reach the proper position, and the smooth closure is difficult to ensure.

Description

technical field [0001] The invention relates to the field of engineering construction, in particular to a construction method for space cantilever closure measurement of complex high-rise buildings. Background technique [0002] Since the reform and opening up, my country's construction technology has developed rapidly, and various new structures and new designs of buildings have emerged continuously, and new structural forms have emerged, which have put forward new requirements for building construction. [0003] Some buildings adopt a unique new structure connected by cantilever in the air. How to ensure the smooth closure of the space cantilever extending from the double inclined main building at high altitude is a key problem in engineering construction. The key task is to ensure the large size of the building. The precise positioning and smooth closure of cantilever structural components is a big problem and a huge challenge for the construction measurement technology o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/35G01C15/00G01B21/02
Inventor 刘文峰
Owner CHINA MCC17 GRP
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