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 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.19 No.5
- 발행연도
- 2017.1
- 수록면
- 523 - 538 (16page)
이용수
초록· 키워드
오류제보하기
A series of field vibration tests are conducted on the Runyang Suspension Bridge during both the construction and operational stages. The purpose of this study is devoted to the analysis of the dynamic characteristics of the suspension tower. After the tower was erected, an array of accelerometers was deployed to study the evolution of its modal parameters during the construction process. Dynamic tests were first performed under the freestanding tower condition and then under the tower-cable condition after the superstructure was installed. Based on the identified modal parameters, the effect of the pile-soil-structure interaction on dynamic characteristics of the suspension tower is investigated. Moreover, the stiffness of the pile foundation is successfully identified using a probabilistic finite model updating method. Furthermore, challenges of identifying the dynamic properties of the tower from the coupled responses of the tower-cable system are discussed in detail. It\'s found that compared with the identified results from the freestanding tower, the longitudinal and torsional natural frequencies of the tower in the tower-cable system have changed significantly, while the lateral mode frequencies change slightly. The identified modal results from measurements by the structural health monitoring system further confirmed that the vibrations of the bridge subsystems (i.e., the tower, the suspended deck and the main cable) are strongly coupled with one another.
목차
등록된 정보가 없습니다.
참고문헌 (28)
참고문헌 신청
Abdel‐Ghaffar, A. / 1985 / Ambient vibration studies of Golden Gate Bridge : II. Pier‐Tower Structure / J. Eng. – Mech 111(4):483~499
Beck, J. L. / 1998 / Updating models and their uncertainties. I : Bayesian statistical framework / J. Eng. Mech. -ASCE 124(4):455~461
Beck, J. L. / 2004 / Model selection using response measurements : Bayesian probabilistic approach / J. Eng. Mech. -ASCE 130(2):192~203
Brownjohn, J. M. / 2005 / Lessons from monitoring the performance of highway bridges / Struct. Control Health Monit. 12(3-4):227~244
Damgaard, M. / 2015 / A probabilistic analysis of the dynamic response of monopile foundations : Soil variability and its consequences / Probabilist. Eng. Mech 41:46~59
Beck, J. L. / 1998 / Updating models and their uncertainties. I : Bayesian statistical framework / J. Eng. Mech. -ASCE 124(4):455~461
Beck, J. L. / 2004 / Model selection using response measurements : Bayesian probabilistic approach / J. Eng. Mech. -ASCE 130(2):192~203
Brownjohn, J. M. / 2005 / Lessons from monitoring the performance of highway bridges / Struct. Control Health Monit. 12(3-4):227~244
Damgaard, M. / 2015 / A probabilistic analysis of the dynamic response of monopile foundations : Soil variability and its consequences / Probabilist. Eng. Mech 41:46~59
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