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1994年1月17日发生在美国加州圣费南多谷地的北岭地震(Northridge Earthquake)和正好一年后1995年1月17日发生在日本兵库县南部地区的阪神地震(Hyogoken-Nanbu Earthquake)是两次陆域型强震,都导致了焊接钢框架梁-柱附性连接节点的广泛破坏。震后两国进行了大量的调查和研究,揭示了破坏的原因,在此基础上提出改进钢框架节点设计的技术措施。两国在此期间都发表不少论文,所作的讨论开拓人们的眼界,提供对钢框架的节点设计的更多了解,对今后钢框架节点设计有深远的影响。
Northridge Earthquake on January 17, 1994, in the San Fernando Valley, California, USA and the Hanshin Earthquake (Hyogoken-Nanbu Earthquake) on January 17, 1995 in the southern region of Hyogo Prefecture, Japan a year later ) Are two terrestrial strong earthquakes, which lead to the extensive destruction of welded steel frame beam-column attachment nodes. After the earthquake, a great deal of investigation and research were carried out in both countries, revealing the causes of the damage, and on this basis, put forward the technical measures to improve the design of the steel frame joints. During this period, both countries have published many papers and the discussions have broadened their horizons and provided more information about the design of the steel frame node. This has a profound impact on the design of the steel frame node in the future.