지반운동의 상관관계가 구조물의 응답에 미치는 영향 평가Effect of Correlation Structure of Ground Motions on the Response of Structures
- Other Titles
- Effect of Correlation Structure of Ground Motions on the Response of Structures
- Authors
- 하성진; 한상환
- Issue Date
- Feb-2014
- Publisher
- 대한건축학회
- Keywords
- Response history analysis; response spectrum; ground motion; seismic design; correlation; 시간이력해석; 응답 스펙트럼; 지반운동; 내진설계; 상관관계
- Citation
- 대한건축학회논문집 구조계, v.30, no.2, pp.11 - 18
- Indexed
- KCI
- Journal Title
- 대한건축학회논문집 구조계
- Volume
- 30
- Number
- 2
- Start Page
- 11
- End Page
- 18
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/160647
- ISSN
- 1226-9107
- Abstract
- For seismic design for high-rise buildings and special structures, linear or nonlinear response history analysis (RHA) have been used for estimating accurate seismic demands of structures. In order to obtain satisfactory analysis results, proper selection of input ground motions are very important. Current seismic design provisions require a set of multiple ground motions rather than a single ground motion. Several studies reported that Trial-and-error procedure did not provide accurate and consistent selection results. Several procedures were proposed to select ground motions which have the mean and variance of their response spectra matching target response spectrum mean and variance. This study considers correlation structure with mean and variance of target response spectrum for selecting ground motions. The effect of correlation structure on seismic demand on structures is evaluated. NGA data base is used to construct ground motion library and 20-story steel moment frame is considered as model frame. This study showed that the effect of correlation structure on the seismic demands of the structure can not be neglected when selecting ground motions.
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