Windproof construction method for butt jointed steel stand column full-penetration weld
A construction method and technology for steel columns, applied in welding equipment, welding equipment, manufacturing tools, etc., can solve the problems of difficult setting of windshields, affecting welding quality, etc., and achieve safe and reliable engineering quality, simple structure, and ensure welding quality. Effect
Active Publication Date: 2020-06-26
CHINA MCC20 GRP CORP
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Problems solved by technology
However, if welding is performed at a high altitude, it is difficult to install the windshield, and the wind force is several times greater than that on the ground, which will seriously affect the welding quality
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Embodiment 1
[0026] The windproof construction method of the full penetration welding of the butt steel column of the present invention:
[0027] see now figure 1 and figure 2 , figure 1 It is a schematic diagram of the arrangement of the end sealing plate and the square flat steel ring of the lower steel column in the embodiment of the present invention, figure 2 for figure 1 Elevation. As shown in the figure, after the lower section steel column 1 is fixed and before the upper section steel column 4 is installed, a piece of flat steel is welded on the upper end plate of the lower section steel column, close to the inner side of the welding position to be butted, and the thickness of the flat steel is 3mm. In the embodiment, the square flat steel ring 3 is used to cooperate with the square section steel column. The square flat steel ring is used to block the wind behind the gap during welding; the distance between the flat steel and the inner wall of the steel column weld should b...
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Abstract
Disclosed is a windproof construction method for butt jointed steel stand column full-penetration weld. The windproof construction method is characterized by comprising the following steps that a, a lower-section steel stand column is fixed; b, a flat steel ring is welded to the inner side at a position, close to a welding position to be butt jointed, of the upper surface of an end sealing plate of the lower-section steel stand column; c, an upper-section steel stand column and the lower-section steel stand column are hoisted to be butt jointed; and d, full-penetration welding is implemented between the upper-section steel stand column and the lower-section steel stand column to complete the welding of the butt jointed steel stand columns. The windproof construction method for butt jointedsteel stand column full-penetration weld provided by the invention has the advantages that the flat steel ring device is simple in structure and convenient to manufacture, the engineering quality issafe and reliable, and the flat steel ring can play a role of a wind baffle; and in the first time of bottoming of the full-penetration welding of the stand columns, the flat steel is taken as a substrate, and a solder liquid can be completely attached to the flat steel, so that the welding quality is ensured, the flat steel ring investment is relatively small, and the engineering cost is lowered.
Description
technical field [0001] The invention relates to a welding construction method, in particular to a windproof construction method for full penetration welding of butt-joint steel columns. Background technique [0002] When the steel structure column is installed in sections, first install and fix the lower section column, and then connect the upper section column. When welding is used, it will be affected by the wind and will be greatly affected. For columns with large wall thickness, full groove grooves must be used. Through welding method. Full penetration welding requires a certain gap between the upper and lower steel columns to meet the structural strength requirements for welding. But just because this gap belongs to the vertical welding, it is a difficult quality control point. 1 Vertical welding is more difficult to weld, because the rear welding wire at the position of the welding seam after the column is installed may not be able to adhere to the upper and lower sid...
Claims
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IPC IPC(8): B23K1/00B23K31/02
CPCB23K1/0008B23K31/02
Inventor 施群凯
Owner CHINA MCC20 GRP CORP