1. Researcher, Research Institute for Disaster Prevention, E2-118, Kyungpook National Univ., Sankyuk-Dong 1370, Puk-Ku, Taegu, 702-170, Korea. E-mail: chocg70@hanmail.net
2. Assistant Professor, Dept. of Civil Engineering and Engineering Research Institute, Gyeongsang National Univ., Jinju, Gyeongnam, 660-701, Korea (corresponding author). E-mail: kwonm@gsnu.ac.kr
3. Professor, Dept. PRICOS, Faculty of Architecture, Univ. “G. D’Annunzio”, Pescara, Italy. E-mail: espacone@unich.it