지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.16 No.3
- 발행연도
- 2003.1
- 수록면
- 241 - 257 (17page)
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초록· 키워드
오류제보하기
The first seismically isolated structure in Taiwan was completed in early 1999. Seven newbridges of the Second National Freway located at Bai-Ho area, a region which is considered to be ofhigh seismic risk, have been designed and constructed with lead-rubber seismic isolation bearings. Sincethis is the first application of seismic isolation method to the practical construction in Taiwan, field testswere conducted for one of the seven bridges to evaluate the assumptions and uncertainties in the designand construction. The test program is composed of ambient vibration tests, forced vibration tests, and freevibration tests. For the free vibration tests, a special test setup composed of four 1000 kN hydraulic jacksand a quick-release mechanism was designed to perform the function of push-and-quick release. Valuableresults have been obtained based on the correlation between measured and analytical data so that theanalytical model can be calibrated. Based on the analytical correlation, it is concluded that the dynamiccharacteristics and free vibration behavior of the isolated bridge can be well captured when the nonlinearproperties of the bearings are properly considered in the modeling.
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