Ⅰ. INTRODUCTION China is a country of frequent earthquakes, therefore intensive researches have been carried on in every field concerning the earthquake-proof designing, and much progress has been made since the Haic...Ⅰ. INTRODUCTION China is a country of frequent earthquakes, therefore intensive researches have been carried on in every field concerning the earthquake-proof designing, and much progress has been made since the Haicheng earthquake of M_s=7.3 (February 4, 1975) and the Tangshan earthquake of M_s=7.8 (July 28, 1976).展开更多
文摘Ⅰ. INTRODUCTION China is a country of frequent earthquakes, therefore intensive researches have been carried on in every field concerning the earthquake-proof designing, and much progress has been made since the Haicheng earthquake of M_s=7.3 (February 4, 1975) and the Tangshan earthquake of M_s=7.8 (July 28, 1976).
