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本文摘录了美国旧金山地区1989年10月17日地震破坏初步调查专题报告的内容。调查的重点是公路桥梁及市区建筑物,尤其对预制混凝土及预应力混凝土结构进行了震后外观检查和分析,从而为结构的抗震性能和地震的初步影响作出正确的评估,供结构抗震设计、地震影响分析时参考。
This article excerpted the content of the special report on the preliminary investigation of the earthquake damage on October 17, 1989 in the San Francisco area of the United States. The survey focused on highway bridges and urban buildings, especially post-earthquake appearance inspection and analysis of precast concrete and prestressed concrete structures, so as to correctly evaluate the seismic performance of structures and the preliminary impact of earthquakes for structural seismic design , Earthquake impact analysis reference.