Journal
COMPUTERS & STRUCTURES
Volume 140, Issue -, Pages 23-38Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compstruc.2014.04.010
Keywords
Bridge; High-speed train; Collision load; Dynamic response; Running safety
Funding
- Natural Science Foundation of China [51308035]
- State Fundamental Research Funds 973 Program of China [2013CB036203]
- Fundamental Research Funds for the Central Universities [2014JBM089]
- 111 Project of China [B13002]
- Flanders (Belgium)-China Bilateral Project [BIL 07/07]
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Based on the authors' previous work, an extended study of the train-bridge system under collision loads is presented. A continuous bridge with box girders is considered as a case study. The dynamic responses of the bridge and the running safety indices of the train on the bridge under three types of collision loads are analyzed. Large responses of the bridge induced by collision strongly threaten the running safety of trains. An assessment procedure is proposed for the running safety of high-speed trains on bridges subjected to collision loads, and related threshold curves for train speed versus collision intensity are defined. (C) 2014 Elsevier Ltd. All rights reserved.
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