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《Journal of Vibration and Shock》 2015-16
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Rapid MPA method for multiple multi-span continuous bridges

CAO Sa-sa;ZHONG Jian;YUAN Wan-cheng;State Key Laboratory for Disaster Reduction in Civil Engineering,Tongji University;College of Civil Engineering,Guangzhou University;  
Rapid MPA method was proposed for multiple multi-span continuous bridges. In the rapid MPA,target displacements at control points were computed according to the rule of equal displacement,so the rapid MPA method can greatly simplify the procedure of MPA. For multiple multi-span continuous bridges,the control points' displacements computed in accordance with the equal displacement rule were used as the approximation of modal pushover target displacements. The rapid MPA proposed has been carried out for seismic performance evaluation of the bridges. Compared with the time-history analysis,it turns out that the rapid MPA is capable of providing reasonable seismic responses of multiple multi-span continuous bridges.
【Fund】: 国家自然科学基金(51478339 51278376);; 土木工程防灾国家重点实验室基金(SLDRCE14-B-14)
【CateGory Index】: U442.55
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