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《Electric Welding Machine》 2003-12
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Discussion of improvement for performance of anti-earthquake ofbeam-column welded joint in steel structures

ZHANG Jun-bao,WANG Li-jun(School of Material Science and Engineering,Tianjin University,Tianjin 300072,China)  
It is one of the most important part to improve the performance of resisting to earthquake of beam-column welded joint.The earthquakes in Northridge,America and Koba,Japan manifest that in order to prevent beam-column connections from brittle destruction born of the welds in earthquake,it should be paid attention in design to decrease the stress concentration at welding joints,ameliorate the loaded situation for seam,absorb the seismic energy by use of plastic reservation possessed by steel,and choose the welding material,which the toughness reaches the requirements of standard according to the characteristics of seismic loading and demands of resisting to earthquake.It should also be took into account to eliminated the various kinds of stress concentration at welding joint in fabrication and installation,including dealing with weld tabs and the backing-bar appropriately.
【CateGory Index】: TG457.11
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