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 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.40 No.3
- 발행연도
- 2021.1
- 수록면
- 323 - 338 (16page)
이용수
초록· 키워드
오류제보하기
To study the track irregularity spectrum for CRTS II ballastless track continuous girder bridge for high-speed railway (CBTCGB) after the action of earthquake, a line-bridge integration seismic calculation model was established. By considering the randomness of structural parameters and ground motion, large amounts of samples were analyzed for additional track irregularity caused by factors such as earthquake-induced damage and earthquake-induced void of key components between the layers of track-bridge system. Using improved Blackman-Turkey method and Levenberg- Marquardt algorithm, the earthquake damaged CBTCGB track irregularity spectrum, track irregularity spectrogram, and a fitting formula for track irregularity spectrum after the action of near-field earthquake were obtained, and the calculation results obtained from the fitting formula and CBTCGB numerical model were compared. The results indicate that the probability sampling distribution of ground motion and structural parameters selected according to “binning method” can effectively reflect the randomness of ground motion and structural parameters. The track irregularity spectrum line forms can be roughly divided into three ranges, namely, high-frequency, medium-frequency, and low-frequency waveband. The tracks suffer more track irregularity diseases with high-frequency after earthquake, which is necessary to conduct tracking analysis. It is rational to use a three-segment power function for the fitting of track irregularity spectrum after the action of earthquake.
목차
등록된 정보가 없습니다.
참고문헌 (22)
참고문헌 신청
J. W. Baker / 2007 / Quantitative Classification of Near-Fault Ground Motions Using Wavelet Analysis / Bulletin of the Seismological Society of America 97(5):1486~1501
Zhaowei Chen / 2018 / Study on the safe value of multi-pier settlement for simply supported girder bridges in high-speed railways / Structure and Infrastructure Engineering 14(3):400~410
Yulin Feng / 2019 / An analytical solution to the mapping relationship between bridge structures vertical deformation and rail deformation of high-speed railway / Steel and Composite Structures, An International Journal 33(2):209~224
Hongye Gou / 2018 / Effect of bridge lateral deformation on track geometry of high-speed railway / Steel and Composite Structures, An International Journal 29(2):219~229
Long V. Ho / 2020 / Finite element model updating of a cable-stayed bridge using metaheuristic algorithms combined with Morris method for sensitivity analysis / Smart Structures and Systems, An International Journal 26(4):451~468
Zhaowei Chen / 2018 / Study on the safe value of multi-pier settlement for simply supported girder bridges in high-speed railways / Structure and Infrastructure Engineering 14(3):400~410
Yulin Feng / 2019 / An analytical solution to the mapping relationship between bridge structures vertical deformation and rail deformation of high-speed railway / Steel and Composite Structures, An International Journal 33(2):209~224
Hongye Gou / 2018 / Effect of bridge lateral deformation on track geometry of high-speed railway / Steel and Composite Structures, An International Journal 29(2):219~229
Long V. Ho / 2020 / Finite element model updating of a cable-stayed bridge using metaheuristic algorithms combined with Morris method for sensitivity analysis / Smart Structures and Systems, An International Journal 26(4):451~468
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