External control construction method of super high-rise building core tube shaft net

A construction method and core tube technology, which are used in construction, building construction, and construction material processing to achieve good economic and social benefits, ensure construction quality, and avoid deviations in measurement data.

Inactive Publication Date: 2014-04-23
CHINA SHANXI SIJIAN GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem of vertical precision control of super high-rise building core tube construction,

Method used

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  • External control construction method of super high-rise building core tube shaft net
  • External control construction method of super high-rise building core tube shaft net
  • External control construction method of super high-rise building core tube shaft net

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Embodiment Construction

[0014] Such as figure 1 As indicated, first, based on the design basis control points provided by the owner, a control network composed of several control points is set up on the site and outside the ground area not affected by construction;

[0015] The control network formed by control points 4 inside the site is the first-level control network, and the peripheral control network formed by control points 3 outside the site is the secondary control network. The basis for the establishment and review of the control network;

[0016] The measuring instruments adopt total station, laser plumb instrument, laser theodolite, automatic leveling instrument, and the communication between measuring personnel adopts walkie-talkie;

[0017] The control network of the core tube is composed of the control network of the outer wall and the control network of the inner wall. The control network of the outer wall is directly projected by the control points around the building with measuring ...

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Abstract

The invention relates to a construction method, in particular to an external control construction method of a super high-rise building core tube shaft net, and aims at solving the problem of vertical accuracy control of super high-rise building core tube construction and providing the external control construction method of the super high-rise building core tube shaft net. The external control construction method comprises the steps of arranging a multilevel control net composed of control points within peripheral orientations of a building under construction, performing projection measurement on a building structure from projection faces, accurately positioning the shaft net with a tube structure to ensure that errors are not upward transferred and a core tube is constructed at high perpendicularity accuracy. The external control construction method utilizes a total station to perform lofting so as to externally control the perpendicularity of the core tube, and measured data deviation caused by frequent change of vertical transmission control points in a transitional method is avoided. The errors are not upward transferred, the core tube is constructed at high perpendicularity accuracy, the practical engineering requirement is met, the construction quality is ensured, the project progress is accelerated, and good economic and social benefits can be obtained.

Description

technical field [0001] The invention relates to a construction method, in particular to an external control construction method for a super high-rise building core tube shaft network. technical background [0002] With the rapid development of my country's economic construction, super high-rise buildings have developed rapidly. Various new structures and newly designed super high-rise buildings continue to emerge. For the characteristics of super high-rise buildings. New technical requirements were put forward, which increased the difficulty of construction. Therefore, it is required to continuously improve the construction technology to meet the new technological development and ensure that the construction quality meets the measurement accuracy requirements. Especially in the construction of the core tube part of the existing super high-rise building, in the construction of the core tube of the super high-rise building, the shear wall of the core tube is constructed bef...

Claims

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Application Information

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IPC IPC(8): E04G21/00
Inventor 韩瑛李珉郑永春杨海峰王俊
Owner CHINA SHANXI SIJIAN GRP
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