CONSTRUCTION TECHNOLOGY OF PREFABRICATED STEEL WAI PURLIN BASED ON BIM TECHNOLOGY
In foundation pit support projects,traditional steel wai purlins mostly use long-size factory-finished H-shaped steel,which requires frequent cutting and welding,and the one-time loss of materials is large.The prefabricated steel wai purlin increases the number of turnover and use of H-shaped steel,and realizes convenient transportation,easy installation and disassembly,and low-carbon environmental protection.Starting from the construction technology of prefabricated steel wai purlin,the research and application of prefabricated steel wai purlin with"BIM technical guidance and on-site assembly"as the core theory are carried out.The research results can provide reference for the application of the same type of prefabricated steel wai purlin.
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