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Disaster-Prevention System of Transportation Network used by GIS and Seismic Fragility Analysis  

Lee, Hyung-Jin (창원대학교 토목공학과)
Park, Byung-Hee (육군공병학교)
Jang, Il-Young (금오공과대학교 토목 환경공학부)
Publication Information
Journal of the Korean Society of Hazard Mitigation / v.6, no.2, 2006 , pp. 25-35 More about this Journal
Abstract
Recently seismic fragility analysis method has been widely used for the seismic probabilistic risk assessment of infrastructures such as nuclear power plants, buildings and bridges because of its probabilistic characteristics. Furthermore, this technique has been applied to large-scale social systems consisted of each infrastructures by combing GIS. In this paper, the applicability of this technique to domestic infrastructural systems was studied. The transportation network was selected as one of these domestic infrastructural systems. Example studies were peformed about Changwon city. Nonlinear time history analysis, with a maximal likelihood approach were conducted to establish the fragility curves of each infrastrucures (bridges). GIS analysis was also applied to the analysis of whole infrastructural systems. The results show that it is very useful to predict seismic probabilistic risk assessment of this domestic transportation network. However, it also shows that further studies such as more suitable damage criterion to domestic structure and precise nonlinear analysis techniques should be developed to predict more precise results.
Keywords
Disaster-Prevention System; Transportation Network; GIS; Seismic Fragility Analysis;
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