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苏联现行《地震区建筑设计规范》(СНипⅡ-A,12-69)批准以来已经十年了。在此期间,苏联和国外都发生了一些破坏性地震,这些地震扩大了在强烈地震作用下建筑结构的性状的资料的来源。
It has been ten years since the Soviet Union approved the “Code for the Design of Architectural Designs in Earthquake Zones” (СНип II-A, 12-69). During this period, there have been some destructive earthquakes in the Soviet Union and abroad. These earthquakes have widened the sources of information on the traits of the structures under strong earthquakes.