Method for installing abnormal-shaped extremely-large overhung steel truss under process monitoring construction

A technology of process monitoring and installation method, applied in the processing of building materials, construction, building structure, etc., can solve the problems of inconvenient processing and manufacturing of special-shaped steel pipe trusses, and achieve the effects of uniform force, prevention of heat concentration, and difficulty in deformation.

Inactive Publication Date: 2015-05-20
YONGSHENG CONSTR GRP
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Problems solved by technology

[0005] The purpose of the present invention is to provide a special-shaped super-large cantilever steel truss installation method under process monitoring construction, which has the characteristics of small steel structure deformation, safety and reliability, and high construction efficiency, and solves the problem of inconvenient processing and manufacturing of special-shaped steel pipe trusses

Method used

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  • Method for installing abnormal-shaped extremely-large overhung steel truss under process monitoring construction

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Experimental program
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Embodiment 1

[0031] Embodiment 1: as attached figure 1 As shown, the sequence of steps in the installation method is: establishment of steel structure truss detailed design and structural analysis model, steel truss component fabrication and pre-assembly, fabrication and pre-assembly process monitoring, steel truss site segmental installation, steel truss installation process monitoring, steel truss Truss unloading construction, steel truss unloading process monitoring, steel truss installation stage loading and forming monitoring, steel truss structure acceptance.

[0032] The specific process includes:

[0033] ①Establish the detailed design and structural analysis model of the steel truss structure;

[0034] Establish the detailed design model of steel truss structure. Through the analysis and deepening of the design model, guide the factory's CNC blanking, component assembly, welding forming, pre-assembly and other processes; determine the steel truss production and installation plan...

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Abstract

The invention discloses a method for installing an abnormal-shaped extremely-large overhung steel truss under process monitoring construction. The installing method includes the steps that a steel structure truss deepening design and structure analysis model is built; steel truss parts are manufactured and pre-assembled, and the manufacturing process and the pre-assembling process are monitored; the steel truss is installed in site in a sectioned mode, and the steel truss installation process is monitored; unloading construction is carried out on the steel truss, and the steel truss unloading process is monitored; loading forming is monitored in the later period after the steel truss is installed in a staged mode; the structure of the steel truss is checked and accepted. The installation technology that a temporary supporting system and altitude spread assembling are combined is adopted, the large-span abnormal-shaped space lattice pipe truss is accurately installed, and the truss is evenly stressed and is not prone to deformation in the installation process. Heat accumulation, welding stress and welding deformation are prevented with the altitude spread roof-member method.

Description

technical field [0001] The invention relates to the international patent classification E04B general building structure or B23K welding construction technology, especially the installation method of special-shaped super-large cantilever steel truss under process monitoring construction. Background technique [0002] At present, large-span space steel structures have been widely used in my country, such as venue structures, high-speed rail station awnings, etc. During the construction of these types of steel structures, the traditional construction method is to use large-scale mechanical hoisting. The assembly of the chords and webs of the pipe truss structure composed of two pipes, three pipes and multi-pipes used in steel structures. Due to the different construction conditions of the rods, the precision and weight are different in the welding forming settings. Not conducive to factory production. In view of this complex overhanging special-shaped heavy steel truss struc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G21/14
Inventor 缪建国赵建雷王双喜田玉新
Owner YONGSHENG CONSTR GRP
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