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.76 No.2
- 발행연도
- 2020.1
- 수록면
- 207 - 222 (16page)
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초록· 키워드
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Due to the rugged terrain, metro lines in mountain city across numerous wide rivers and deep valleys, resulting in instability of high-pier bridge and insecurity of metro train subjected to fluctuating crosswind. To ensure the safe operation in metro lines in mountain cities, running safety of the metro train over the high-pier bridge under crosswind is analyzed in this paper. Firstly, the dynamic model of the wind-train-bridge (WTB) system is built, in which the speed-up effect of crosswind is fully considered. On the basis of time domain analysis, the basic characteristics of the WTB system with high-pier are analyzed. Afterwards, the dynamic responses varies with train speed and wind speed are calculated, and the safety zone of metro train over a high-pier bridge subjected to fluctuating crosswind in mountain city is determined. The results indicate that, fluctuating crosswind triggers drastic vibration to the metro train and high-pier bridges, which in turn causes running instability of the train. For this reason, the corresponding safety zone for metro train running on the high-pier is proposed, and the metro traffic on the high-pier bridge should be closed as the mean wind speed of standard height reaches 9 m/s (15.6 m/s for the train).
목차
등록된 정보가 없습니다.
참고문헌 (30)
참고문헌 신청
2005 / BS EN 1991-1-4:2005, Eurocode 1: Actions on structures-Part 1-4: General actions - Wind actions
C.S. Cai / 2015 / A coupled wind-vehicle-bridge system and its applications: a review / Wind and Structures, An International Journal 20(2):117~142
C. S. CAI / 2013 / FRAMEWORK OF WIND–VEHICLE–BRIDGE INTERACTION ANALYSIS AND ITS APPLICATIONS / Journal of Earthquake and Tsunami 07(03):1350020
Carsten Proppe / 2015 / Influence of uncertainties on crosswind stability of vehicles / ScienceDirect 13:98~107
Chen, N. / 2015 / Effects of wind barrier on the safety of vehicles driven on bridges / J. Wind Eng. Ind. Aerod 143:113~127
C.S. Cai / 2015 / A coupled wind-vehicle-bridge system and its applications: a review / Wind and Structures, An International Journal 20(2):117~142
C. S. CAI / 2013 / FRAMEWORK OF WIND–VEHICLE–BRIDGE INTERACTION ANALYSIS AND ITS APPLICATIONS / Journal of Earthquake and Tsunami 07(03):1350020
Carsten Proppe / 2015 / Influence of uncertainties on crosswind stability of vehicles / ScienceDirect 13:98~107
Chen, N. / 2015 / Effects of wind barrier on the safety of vehicles driven on bridges / J. Wind Eng. Ind. Aerod 143:113~127
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