目前新西兰、日本、美国、欧洲等国家抗震设计都采用延性抗震设计理论。
A ductility theory is adopted in anti-seismic design specification of New Zealand, Japan, the United States and the Europe country.
同时又结合试验提出了延性与其影响因素的关系式，以期为以后的延性抗震设计提供理论依据。
The main factors to impact the ductility of SRHSHPC frame columns is theoretically analyzed, and is compared with their experimental results.
自1971年美国圣费南多地震爆发以后，结构延性抗震设计的概念在世界范围内广泛受到重视。
The concept of anti-seismic design based on structure's ductility has been worldwide accepted and paid much attention to since the San Femado seism in the United States in 1971.
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