摘要
Abstract
Steel structure production and welding technology can be summed up "four first, five technological breakthrough" ,at that time China's steel structure is the most complex,structure manufacturing is the most difficult,represented China's steel structure production,the welding technology's development direction and the highest level:(l)For the first time,using a ASTM A913 Gr60 steel (quite Q420),to do the welding experiment,provides the mature experiences,and promotes the building of steel construction industry technology's progress and development.(2)Large quantities of the special thick plate cutting,types include section steel material and steel material,maximum thickness of 140 nun in the domestic,breakthrough the special thick plate cutting technology,realize the good control of the quality in cutting structural members groove and component and machining groove,laid the foundation for manufacturing the structurial member and component.At the same time,realize the better conmection between the quality of cutting thickness and cutting economics. (3)Tne design of shear wall hidden column asymmetric Y type and symmetric the * type steel structure,to control the quality of the production adopts.Through such asymmetric component production,master manufacturing non-standard components,the welding deformation control and how to reduce the internal stress of welding,provide experience with relating data.To achieve different structure asymmetric welding and deformation control. (4)Breakthrough "characteristics DiaoLou"horizontal hearing system overhung sell-will of identity of welding plate,plate welding technology has made a lot of progress, engineering quality.For high strength steel level(such as the application of Q460)estahlished the theory and practice of the foundation. To fill the gaps in the domestic nonstmelion steel structure high strength steel application and research the blank.关键词
复杂/Q420/首次采用Key words
eomplex/Q420/first adopted分类
矿业与冶金
