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http://dx.doi.org/10.5000/EESK.2015.19.3.093

Domestic Seismic Design Maps Based on Risk-Targeted Maximum- Considered Earthquakes  

Shin, Dong Hyeon (Department of Architectural Engineering, University of Seoul)
Kim, Hyung-Joon (Department of Architectural Engineering, University of Seoul)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.19, no.3, 2015 , pp. 93-102 More about this Journal
Abstract
This study evaluates collapse probabilities of structures which are designed according to a domestic seismic design code, KBC2009. In evaluating their collapse probabilities, to do this, probabilistic distribution models for seismic hazard and structural capacity are required. In this paper, eight major cities in Korea are selected and the demand probabilistic distribution of each city is obtained from the uniform seismic hazard. The probabilistic distribution for the structural capacity is assumed to follow a underlying design philosophy implicitly defined in ASCE 7-10. With the assumptions, the structural collapse probability in 50 years is evaluated based on the concept of a risk integral. This paper then defines an mean value of the collapse probabilities in 50 years of the selected major cities as the target risk. Risk-targeted spectral accelerations are finally suggested by modifying a current mapped spectral acceleration to meet the target risk.
Keywords
Collapse probability; Maximum-considered earthquake; Risk-targeted seismic design map; Risk integral;
Citations & Related Records
Times Cited By KSCI : 13  (Citation Analysis)
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