11:15 〜 11:30
*CHENGRUI CHANG1,4、Qingfeng Lv2,3 (1.Disaster Prevention Research Institute, Kyoto University、2.Key Laboratory of Mechanics on Disaster and Environment in Western China (Lanzhou University) , The Ministry of Education of China、3.College of Civil Engineering and Mechanics, Lanzhou University、4.Graduate School of Science, Kyoto University)