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http://dx.doi.org/10.5000/EESK.2008.12.3.001

Optimal Seismic Rehabilitation of Structures Using Probabilistic Seismic Demand Model  

Park, Joo-Nam (한국철도기술연구원)
Choi, Eun-Soo (홍익대학교 건설/도시공학부)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.12, no.3, 2008 , pp. 1-10 More about this Journal
Abstract
The seismic performance of a structure designed without consideration of seismic loading can be effectively enhanced through seismic rehabilitation. The appropriate level of rehabilitation should be determined based on the decision criteria that minimize the anticipated earthquake-related losses. To estimate the anticipated losses, seismic risk analysis should be performed considering the probabilistic characteristics of the hazard and the structural damage. This study presents the decision procedure in which the probabilistic seismic demand model is utilized for the effective estimation and minimization of the total seismic losses through seismic rehabilitation. The probability density function and the cumulative distribution function of the structural damage for a specified time period are established in a closed form, and are combined with the loss functions to derive the expected seismic loss. The procedure presented in this study could be effectively used for making decisions on the seismic rehabilitation of structural systems.
Keywords
probabilistic seismic demand model; optimal seismic rehabilitation; probabilistic decision analysis;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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