摘要
建立以轨道、桥梁、支座、墩台和基础为整体结构的附加纵向力计算有限元模型;依据“对号入座”法则编制了计算曲线刚构桥上无缝线路的程序;计算了南昆线上板其二号大桥附加伸缩力、挠曲力和断轨力;计算结果准确,体现桥上无缝线路梁轨相互作用原理。
The finite element model is established to calculate the additional longitudinal forces of the integrated system consisting of the track, beams, abutments, piers and foundation; the program to calculate CWR on the curvilinear frame bridge is plngrammed according to the rule ＂set-in-right-position＂; the additional expansion force, bending fowe and rail-breaking strength of the No.2 Banqi Bridge along Railway Nanning-Kunming are calculated. The calculation results proved to accurate and embodied the interaction principle of the beam and the CWR on bridge.
出处
《安徽建筑》
2006年第6期110-111,共2页
Anhui Architecture
关键词
桥上无缝线路
附加纵向力
刚构桥
有限元
continuously-welded rails on bridge
additional longitudinal forces
frame bridge
finite element method
