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http://dx.doi.org/10.15207/JKCS.2019.10.11.303

A Property of Seismic Response with Log-normal Distribution at SDOF Structure  

Chung, Youn-In (Dept. of Civil Engineering, Keimyung University)
Kim, Koon-Chan (Dept. of Mathematics, Keimyung University)
Chey, Min-Ho (Dept. of Civil Engineering, Keimyung University)
Publication Information
Journal of the Korea Convergence Society / v.10, no.11, 2019 , pp. 303-308 More about this Journal
Abstract
This study suggests a method for deriving earthquake response based on log-normal distribution in order to obtain realistic and reliable probability and statistical seismic response of structures. The development of three earthquake suites were presented, with a brief description of 2%, 10%, and 50% in 50 years probability of exceedance according the USGS Los Angeles probabilistic seismic hazard maps. In order to analyze the basic dynamic behavior, a Single-Degree-of-Freedom (SDOF) structure was selected and the seismic response spectrum representing the response of each natural period was plotted. Overall, the mean response values presented through the log-normal distribution is lower than the standard normal distribution. Thus, it is considered that the former method can be provided as the effective cost on performance-based seismic design more than the latter one.
Keywords
Earthquake; Structure; Response Spectrum; SDOF; Log-normal Distribution;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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