Abstract：Research purposes: The intercity railway bridge could enter into elastic － plastic stage under rare eathquake excitation，it has a significant e ngineering value and research meaning to do elastic － plastic seismic analysis and dutility design of intercity railway bridge． Taking a Dalian JinPu intercity railway continuous bridge as as the engineering background，based on the principle of fiber beam － column element model，the elasitc － plastic analysis model of ( 25 + 30 + 25) m prestressed concrete continuous box girdger bridge is modeled，the railway code response spectrum has been converted to artificial earthquake time － history curve using fourier transform method． Furtherly，the rare seismic analysis and ductility design is presented．
Research conclusions: The results show that only braking pier enter into plastic stage under rare earthquake excitation， the maximum value of ductily coefficient is 3． 02，smaller than railway code given value 4． 8，meet standard requirements． The seismic elastic － plastic analysis and ductility design method presented provide a practical method and design basis．
Zhuo Yi， Li Zhongxian， Li Ning． FENAP Based Nonlinear Dynamic Analysis of rc Bridge Piers［J］． Journal of Tianjin University， 2010( 10) : 906 － 911．
［3］ 禚一． 钢筋混凝土桥梁精细化建模及地震碰撞分析［D］． 天津: 天津大学， 2010．
Zhuo Yi． Refined Modeling and Seismic Pounding Analysis of Reinforced Concrete Bridges［D］． Tianjin: Tianjin University，2010．
［4］ Filippou F C，Popov E P，Bertero V V． Effects of Bond Deterioration on Hysteretic Behavior of Reinforced Concrete Joints［R］． EERC Report 83 /19，Earthquake Engineering Research Center，University of California， Bekerley，CA，1983．
［5］ Menegotto M， Pinto P E． Slender RC Compressed Members in Biaxial Bending［J］． Journal of Structural Engineering，ASCE，1977( 3) : 587 － 605．
［6］ Mohd － Yassin M H． Nonlinear Analysis of Prestressed Concrete Structures under Monotonic and Cyclic Loads ［D］． University of California，Berkeley，1994．
［7］ Scott B D，Park R，Priestley M J N． Stress － strain Behavior of Concrete Confined by Overlapping Hoops at Low and High Strain Rates［J］． ACI Structural Journal，1982( 79) : 13 － 27．
［8］ Kent D C，Park R． Flexural Members with Confined Concrete ［J］． Journal of the Structural Division， ASCE，1971( 7) : 1969 － 1990．
［9］ Blakely R W G，Park R． Prestressed Concrete Sections with Cyclic Flexure ［J］． Journal of the Structural Division，ASCE，1973( 8) : 1717 － 1742．
［10］ GB 50111—2006，铁路工程抗震设计规范［S］．
GB 50111—2006，Code for Seismic Design of Railway Engineering［S］．
Zhao Xufeng， Wang Chunmiao． Analysis and Evaluation of Seismic Behavior of Continuous Girder Bridge［J］． Journal of Railway Engineering Society， 2009( 5) : 36 － 39．
2012, Vol. 29 
版权所有 © 2014 《铁道工程学报》编辑部