9:00 AM - 9:20 AM
*Naoki Satake1, Narumi OUGIYA2, Yu-ichi HIRATA3, Sungbin SONG4, Kiyoshi SHINGU5, Shunsuke SHIMAOKA6, Naohiro NAKAMURA7 (1. Structural Quality Assurance, Inc., 2. Haseko Corporation, 3. Sumitomo Mitsui Construction Co., Ltd., 4. ECONING Co., Ltd., 5. Nihon University Prof. Emeritus, 6. Izumi Sohken Engineering Co., Ltd., 7. Hiroshima University)