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Annular single-point installation method for large-span hemispherical roof steel-structured net rack

An installation method and hemispherical technology, which can be applied to roofs, building components, building structures, etc., can solve the problems of high cost and delay in construction, and achieve the effects of saving construction costs, easing precision deviation, and ensuring installation quality.

Active Publication Date: 2014-01-29
安徽鲁班建设投资集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solve the problems of high cost and delayed construction period of the previous large-span hemispherical roof steel grid frame lapping the entire building height of scaffolding

Method used

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  • Annular single-point installation method for large-span hemispherical roof steel-structured net rack
  • Annular single-point installation method for large-span hemispherical roof steel-structured net rack
  • Annular single-point installation method for large-span hemispherical roof steel-structured net rack

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] Examples such as Figure 1 to Figure 3 As shown, a large-span hemispherical roof steel grid frame annular single-point installation method is characterized in that: it is realized by implementing the following methods:

[0018] A. According to the design drawings, use computer simulation to obtain data, and use theodolite to control and calibrate according to this data during hoisting;

[0019] B. Set up the grid support 2 on the column 1, and at the same time set up a double row of ring-shaped scaffolding inside the grid support 2, and connect the sphere of the ball rod connector on any buried grid support 2: according to The number of the design drawing is well padded and the lower plane 5 of the lower string ball 4 is filled, the lower string rod 6 is connected with the lower string ball 4 and tightened in place, the web rod 7 is connected with the upper string spherical surface 8 and tightened in place, and the web rod 7 and the upper string spherical surface 8 form...

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Abstract

The invention discloses an annular single-point installation method for a large-span hemispherical roof steel-structured net rack. The annular single-point installation method for the large-span hemispherical roof steel-structured net rack is characterized by comprising the following steps of: predicting building data, implementing foundation connection, hoisting hemispherical node connecting pieces in a single-point mode and implementing the installation of the whole net rack in a level annular mode. By the method, the work efficiency of building the hemispherical roof steel-structured net rack is improved, the construction cost is saved and the construction safety risk is reduced. The hemispherical roof steel-structured net rack built by using the method has high stability and excellent earthquake resistance, is convenient to replace and maintain, and is suitable for steel-structured hemispherical roofs with the span of more than or equal to 100 meters.

Description

technical field [0001] The invention relates to a construction method, in particular to an annular single-point installation method for a large-span hemispherical roof steel grid frame. Background technique [0002] At present, for the construction of large-span hemispherical roof steel structures, it is generally used to first predict the height of the entire roof, and then divide several separate arc-shaped areas by the highest point of the roof, and set up a separate ball-point grid suitable for the arc-shaped area. , and then overlap the individual ball-point grids to complete the construction of the entire hemispherical roof. "Long-span rectangular steel pipe single-layer spherical shell steel structure installation" published in "Shanxi Architecture" Volume 33 Issue 25 in September 2007. [0003] According to the innovation of technology, the Chinese patent application number: 201010502563.2 announced the unsupported installation method of the large-span space bolt sp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B7/08E04G21/14
Inventor 汤传余陶俊胡友华张世芳李魏英
Owner 安徽鲁班建设投资集团有限公司