ANALYSIS OF KEY TECHNOLOGY FOR INSTALLATION AND CONSTRUCTION OF LARGE-SPAN STEEL BEAM OF ROOF
The roof of the New Civil Engineering Hall of Tsinghua University is a large-span steel beam,which adopts the construction technology of large hoisting machinery high-altitude hoisting.The roof steel structure is greatly affected by the site conditions,so the overhead hoisting construction is adopted,and the large-span steel structure of the roof is installed according to the site conditions.According to the actual situation of the project,the construction method of on-site assembly and integral hoisting is adopted to ensure the construction quality and safety of large-span steel beams on the roof.The steel structure construction is studied from the aspects of crane working condition analysis,steel structure hoisting,measurement correction,steel structure welding,etc.,and the construction scheme applicable to large-span steel structure is summarized.
large span steel structurehoistingsteel structure welding
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