High-rise building steel column
In the process of high-rise building steel column installation, column elevation, the axis and verticality measurement method is reasonable, will directly affect the installation and welding quality of beam, even an adverse effect on the overall quality of steel structure, so must be caused take seriously. Is per section column centerline pillars flank and axis positioning pictures for measurement and control targets, and the center line of the column bottom side is aligned with the center line of the next section pillars can, without control column vertical degree, so installing a beam of high strength bolt hole rate is low, at present has not adopt this method of installation.
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