건축도시공간연구소

Architecture & Urban Research Institute

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한국지진공학회|논문집 2020년 7월

논문명 마찰복원형 지진격리장치가 설치된 케이블교량의 성능기반 내진설계법 개선(II-내진설계 절차 제안) / Improvement of the Performance Based Seismic Design Method of Cable Supported Bridges with Resilient-Friction Base Isolation Systems (II-Proposal for the Seismic Design Procedure)
저자명 길홍배 ; 박선규 ; 한경봉 ; 윤완석
발행사 한국지진공학회
수록사항 한국지진공학회 논문집, Vol.24 No.4(통권 136호) (2020-07)
페이지 시작페이지(169) 총페이지(10)
ISSN 1226-525X
주제분류 구조
주제어 ; Performance-based seismic design; Cable supported bridges; Resilient-friction base isolation systems; Nonlinear seismic analysis
요약2 In a previous paper, ambient vibration tests were conducted on a cable stayed bridge with resilient-friction base isolation systems (R-FBI) to extract the dynamic characteristics of the bridge and compare the results with a seismic analysis model. In this paper, a nonlinear seismic analysis model was established for analysis of the bridge to compare the difference in seismic responses between nonlinear time history analysis and multi-mode spectral analysis methods in the seismic design phase of cable supported bridges. Through these studies, it was confirmed that the seismic design procedures of the “Korean Highway Bridge Design Code (Limit State Design) for Cable Supported Bridges” is not suitable for cable supported bridges installed with R-FBI. Therefore, to reflect the actual dynamic characteristics of the R-FBI installed on cable-supported bridges, an improved seismic design procedure is proposed that applies the seismic analysis method differently depending on the seismic isolation effect of the R-FBI for each seismic performance level.
소장처 한국지진공학회
언어 한국어