Method for constructing roof of steel structure workshop through crane beam
A technology of crane girders and steel structures, which is applied in building construction, processing of building materials, and construction, and can solve problems such as large site restrictions, high safety risks for high-altitude operations, and high requirements for tracks and equipment
Inactive Publication Date: 2017-12-01
GUANGZHOU FOURTH CONSTR
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Problems solved by technology
The traditional construction method requires sufficient space on the construction site and a wide scope of work. However, due to the simultaneous construction of surrounding projects, the site is limited and even the roof cannot be hoisted; moreover, the hoisting of large-span roof structures is very difficult
There is also a method of building high-altitude scaffolding platforms for bulk roofing. This method has a large amount of scaffolding, high cost, and high safety risks for high-altitude operations.
Or the traditional high-altitude track sliding construction method is used. This method is used to make the sliding track, load-bearing platform and operating platform for sliding and installing the steel structure roof blocks at high altitude, and then slide each steel structure roof block to the Specified locations are spliced and installed one by one. This method can reduce the impact of construction site restrictions and form a construction space at high altitudes. However, this method requires the production and installation of special sliding rails and related sliding equipment, and has high requirements for the rails and equipment used. , the mechanical operation is difficult during the installation of the track, and the high-altitude operation is extremely dangerous
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[0015] The method for the crane beam construction roof of the steel structure factory building of the present invention is:
[0016] 1. If figure 1 , Pre-embed the pouring guide rail 2 on the base body 1 of the factory building, and use a ground crane to hoist the bridge-type crane beam 3 onto the guide rail 2 and place it in place. Adjust the crane girder to ensure that the crane girder can move smoothly on the guide rail to transport building materials. The load-bearing limit of the selected crane beam should be greater than the total weight of the operating platform, steel structure roof components and other required construction loads to ensure project safety. ABAQUS general-purpose finite element analysis software is adopted, and the analysis unit adopts C3D8R reduced integral solid element to calculate the load-bearing limit of the crane beam.
[0017] 2. If figure 2 , set up the operating platform 4 on the crane beam 3. The operation platform 4 is assembled by a st...
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The invention belongs to the field of building construction and provides a method for constructing a roof of a steel structure workshop through a crane beam. The method includes the steps of hoisting the crane beam, erecting an operation platform, moving the crane beam to hoist roof components, splicing the roof components and the like. The operation platform is erected on the crane beam, the roof components are built, the construction time and the material cost are saved, the operation platform is quick and convenient to disassemble, the construction efficiency is improved, the construction difficulty and the operation risk are reduced, and errors can be corrected at any time in the process of constructing the roof components in real time so as to improve the construction precision.
Description
technical field [0001] The invention belongs to building construction, and in particular relates to a method for constructing steel structure workshop roofs by using crane beams. Background technique [0002] The factory building is mainly composed of the factory building matrix, the crane beam and the factory building roof. The factory building matrix includes foundation, structural columns and structural beams, etc., and the factory building roof is built on the top of the factory building matrix. For the roof of a steel structure factory building, the general construction method is: first assemble, weld and assemble parts on the ground, or make the entire steel structure roof first, then use a ground crane to hoist the parts or the entire steel structure roof to a designated position in the sky, and finally implement Install. The traditional construction method requires sufficient space on the construction site and a wide scope of work. However, due to the simultaneous ...
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IPC IPC(8): E04G21/00
CPCE04G21/00
Inventor 秦龙海江涌波张伟斌林君伟陈嘉威
Owner GUANGZHOU FOURTH CONSTR