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Guangzhou Steel tells you: the technical requirements of tall steel structure of the device which

Time:[2015-7-1]  Hits:4478

Guangzhou Steel tells you: the technical requirements of tall steel structure of the device which


(1) Preparation: include preflight and supporting steel members, positioning axes and elevation view and anchor bolts, steel components on-site stacked mechanically selection means to determine the division and order means the water segment, labor approach Wait.
(2) multi-storey and high-rise steel structure lifting, based on the sub-area, multi-use integrated lifting method, the lifting procedure is usually: flat from the beginning or a certain symmetry between the middle section to a section between the column net for a Lifting unit, supported by steel columns → → order hoisting steel beams, and to extend all around; the vertical direction from the bottom constitute a stable structure, the cross member in the same section of the column range, typically downward from the upper layer by layer device. Take symmetry means symmetry fixed technology, help to reduce the accumulated error and the node device welding distortion to a minimum.
When the device, usually by lifting program to lifting operations divided region by region, the equal division of the order will be together. When lifting a zone is completed, namely measurement, calibration, high-strength bolts and other processes early twist until several area means completed, and then the whole structure of the measurement, calibration, high-strength bolts final twist, welding. Next, the following section steel column lifting. Guangzhou Steel
Steel columns (3) high-rise buildings is usually 2 to 4 layers of a section, hoisting cranes usually use a little positive. Steel column device in place, alignment axis, correcting verticality to loosen the hook after provisional fixation.
When the means of positioning each section steel columns axis should lead directly on the ground control axis, the axis can not lead from the lower column. All member devices within range of each section of the column, welding, bolting is completed and after acceptance, in order to control the axis of lead measured on a section of the column positioning axis from the ground.
(4) of the same section columns, steel beams across the same range, down from the appropriate device. Steel beam means finished, staircases and floors should apparatus pressure plate within the scope of this section of the column immediately.
(5) construction of the device, it should pay attention to sunshine, welding and other thermal influence caused by temperature changes and changes to the telescopic member due to bending, and shall take appropriate action. Guangzhou Steel

Copyright:佛山市勝邦鋼結(jié)構(gòu)有限公司 Foshan Shengbang Steel Structure Co., Ltd. Record Number:粵ICP備13078463號(hào)
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