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Installation and construction method of long-span semi-open elliptical spherical reticulated shell

A technology of ellipsoidal surface and construction method, which is applied in the direction of buildings, building components, arch structures, etc., and can solve problems such as low construction efficiency, heavy welding workload, and large safety hazards

Active Publication Date: 2021-09-03
CHINA RAILWAY ERJU 1ST ENG
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Problems solved by technology

[0004] The invention provides a method for installing and constructing a large-span semi-open ellipsoidal single-layer reticulated shell steel structure to solve the problem that the large-span reticulated shell structure similar to the rock climbing gym has a large construction welding workload and high quality requirements for production and installation. There are problems such as low construction efficiency and large safety hazards

Method used

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  • Installation and construction method of long-span semi-open elliptical spherical reticulated shell

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Embodiment

[0034] Taking the climbing gymnasium of Qingzhen Sports Training Base as an example, the roof steel structure of the rock climbing gymnasium is shaped like two semi-open spherical reticulated shells, which are divided into three parts: the upper shell 1, the middle pipe truss 3, and the lower shell 2. The long axis The span is 46.2m, and the rise height is 9m. The upper part of the single-layer reticulated shell is connected as intersecting joints. The support form of the truss is point support. The support adopts fixed hinge support and two-way sliding hinge support. The height of the middle pipe truss is 31.7 meters. It is divided into two parts for hoisting (the lower CD pipe truss and the upper AB pipe truss) and the middle part is loosely assembled. The lower C D pipe truss weighs 42 tons (it is hoisted as a whole after being assembled on the ground), and there are 15 in the middle. The average weight of the web unit is 0.85 tons (after the CD pipe truss is hoisted, it is ...

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Abstract

The invention provides a method for installation and construction of a large-span semi-open elliptical spherical single-layer reticulated shell steel structure, steel structure truss assembly, welding, deformation control, positioning and elevation control, and bracket support methods, and relevant safety technical measures are in place, which can ensure construction safety , improve the quality of steel structure installation, and optimize the allocation of steel structure assembly and welding construction resources. In order to solve the problems of high construction cost, low construction efficiency and great safety hazards of the current large-span reticulated shell structure. It belongs to the field of house construction steel structure engineering.

Description

technical field [0001] The invention relates to a method for installing and constructing a large-span semi-open elliptical spherical single-layer reticulated shell steel structure, which belongs to the field of steel structure engineering for building construction. Background technique [0002] With the progress of society and the development of economy and science and technology, people's life pursuit and aesthetic concept are getting higher and higher, and some new-style building structures have emerged. In recent years, a large-span curved shell structure ( The span is generally more than 20-40 meters) single-layer reticulated shell steel structure has gradually become a representative of many novel architectural shapes, and has gradually been emulated. [0003] At present, most of the grid structures in China adopt the method of assembling the whole or sub-units on the ground before hoisting during the construction process, while the rock climbing gym occupies a large ar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/32
CPCE04B1/3211E04B2001/3229
Inventor 蔡家俊吴松聂翔龚建伟雍婷婷吴真元邓彪吕廷国谭智伟
Owner CHINA RAILWAY ERJU 1ST ENG
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