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Multi-machine resultant force aerial turnover construction method for large-span arc-shaped latticed shell structure

A construction method and a large-span technology, which are applied to the arched structure, the structure of the dome, the building components, etc., can solve the problems of big hidden danger, low construction efficiency, and high construction cost, and ensure construction safety, low construction cost, and high construction cost. Easy and fast construction

Inactive Publication Date: 2020-07-10
CHINA RAILWAY ERJU 1ST ENG
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Problems solved by technology

[0003] The invention provides a large-span arc-shaped reticulated shell structure multi-machine joint force aerial overturning construction method to solve the problems of high construction cost, low construction efficiency and large safety hazards of the current large-span reticulated shell structure

Method used

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  • Multi-machine resultant force aerial turnover construction method for large-span arc-shaped latticed shell structure
  • Multi-machine resultant force aerial turnover construction method for large-span arc-shaped latticed shell structure
  • Multi-machine resultant force aerial turnover construction method for large-span arc-shaped latticed shell structure

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Embodiment

[0018] Taking the construction of the climbing gymnasium at the sports training base in Qingzhen City as an example, the roof of the rock climbing gymnasium in this project is a steel structure, and the rest are frame structures. , the middle pipe truss, the lower shell in three parts, the long-axis span is 46.2m, the rise height is 9m, the upper single-layer reticulated shell part is connected as intersecting nodes, the support form of the truss is point support, and the support adopts fixed hinge support and Two-way sliding hinge support. The maximum height of the upper shell is 31.7 meters, and the weight is 45.5 tons (the upper shell is set up with a steel pipe scaffolding work platform and welded in bulk), and the height of the middle pipe truss part is 31.7 meters. It is divided into two parts for hoisting (lower CD and upper AB pipe truss) The weight of the lower C D pipe truss is 42 tons (hoisted as a whole after assembling on the ground), the average weight of the 15 ...

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Abstract

The invention provides a multi-machine resultant force aerial turnover construction method for a large-span arc-shaped latticed shell structure. The multi-machine resultant force aerial turnover construction method is characterized in that on the basis of sufficiently checking related technical data, the construction experience of hoisting other steel structures is used in cooperation, an advancedmounting method and a peripheral construction environment are referred, a large-span arc-shaped steel structure main truss aerial turnover and multi-machine relay installation construction method isproposed, the purposes of aerial turnover controllability, installation controllability, risk controllability and quality controllability are achieved through application practice and verification ofthe combined aerial turnover and multi-machine relay installation construction method, and on the basis, the method is formed through summarization. The problems that an existing large-span latticed shell structure is extremely high in construction cost, low in construction efficiency and large in potential safety hazard are solved. The multi-machine resultant force aerial turnover construction method belongs to the field of housing construction steel structure engineering.

Description

technical field [0001] The invention relates to a large-span arc-shaped reticulated shell structure multi-machine joint force aerial overturning construction method, which belongs to the field of house construction steel structure engineering. Background technique [0002] At present, there are few large-span ellipsoidal reticulated shell structures in China, and the construction of large-span arc-shaped reticulated shell structures is a major difficulty. The reticulated shell structure is vertically welded and formed on the support, and then hoisted. This construction method has high requirements on the flatness and width of the site during construction, and requires a large number of supports. The construction of the climbing gymnasium in Qingzhen Sports Training Base is an example. For example, when constructing the main truss of two long-span arc-shaped trusses, at least a support structure with a span of 46m, a width of 3.4m, and a height of 9m needs to be erected. The ...

Claims

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Application Information

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IPC IPC(8): E04B1/32E04G21/16
CPCE04B1/3211E04B2001/3229E04G21/16
Inventor 邓彪吴松聂翔龚建伟雍婷婷吴真元蔡家俊吕廷国谭智伟
Owner CHINA RAILWAY ERJU 1ST ENG
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