Space positioning and mounting construction method for large arc-shaped steel frame stand

A construction method and space positioning technology, applied in the podium and other directions, can solve the problems of difficult positioning of the inclined platform and high positioning requirements, and achieve the effect of accurately controlling the elevation of the stands, improving the flatness and verticality, and meeting the requirements of the field of view

Active Publication Date: 2018-11-16
CHINA CONSTR SECOND ENG BUREAU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The height of the stand platform is different at each step, the air supply outlet is pre-buried, the positioning requirements are high, and the positioning of the inclined platform is difficult

Method used

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  • Space positioning and mounting construction method for large arc-shaped steel frame stand
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  • Space positioning and mounting construction method for large arc-shaped steel frame stand

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0055] The construction method of the present embodiment, concrete steps are as follows:

[0056]S1. Stand steel structure installation

[0057] According to the characteristics of the truss in this project, most of the truss structures need to be assembled on site, so they are manufactured in parts from the factory and transported to the construction site.

[0058] The assembly sequence should be ahead of the hoisting sequence, but attention should be paid to saving the number of tire frames used for assembly, and two factors should be considered comprehensively to maximize the savings in construction costs and shorten the construction period.

[0059] Installation process: work preparation → small assembly unit → medium assembly unit → assembly acceptance → delivery and hoisting → welding → post-repair rod installation.

[0060] S2. Profiled steel plate installation

[0061] 1) Installation sequence

[0062] When laying profiled steel plates in the same floor plane, it is...

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PUM

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Abstract

The invention discloses a space positioning and mounting construction method for a large arc-shaped steel frame stand. The space positioning and mounting construction method comprises the following steps that s1, a stand steel structure is mounted; s2, profiled steel sheets are mounted; s3, inclined stand steel bars are bound, and concrete is poured; s4, a stand steel frame is mounted; s5, a standplatform is constructed; and s6, seats are positioned, and an air opening is formed. Compared with a concrete stand, the construction speed of space positioning and mounting of the arc-shaped steel frame stand is high, through the technology, the construction period of the stand is shortened, and a working face is created for interpenetrating of other subsequent processes; and the cost is saved,and good economic and social benefits are achieved.

Description

technical field [0001] The invention relates to the construction field of steel frame stands, in particular to a method for spatial positioning and installation of a large arc-shaped steel frame stand. Background technique [0002] In recent years, with the continuous development of the economy, large domestic venues and theaters have been continuously upgraded and replaced, and most of them are steel structures. In order to meet the audience's vision and comfort, the stands are mostly arc-shaped stepped stands, and the height of each step is different. The accuracy of the construction and positioning of the stands is particularly important. [0003] In the "Zhongxian E-sports Stadium" project, the inclined platform of the indoor grandstand is a steel structure + concrete composite structure, and the arc-shaped stepped audience stand is a steel frame + concrete structure. There are more than 6,000 seats in the venue, the maximum arc radius of the platform is 41m, and there ...

Claims

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Application Information

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IPC IPC(8): E04H3/12
CPCE04H3/12
Inventor 谷洋易操向峰
Owner CHINA CONSTR SECOND ENG BUREAU LTD
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