摘要
对列车荷载通过桥梁而梁体发生挠曲变形时,CRTSⅠ型板式无砟轨道结构受到的附加挠曲力进行分析。首先推导了桥梁挠曲变形对无砟轨道结构受到的附加挠曲力的计算方法,然后分别对我国时速300～350km、200～250km的几种主要桥梁`上CRTSⅠ型板式无砟轨道的轨道板和底座板受到的附加挠曲力进行计算,为CRTSⅠ型板式无砟轨道的结构设计提供参考。
The paper analyzes additional deflection force born by CRTS Ⅰ slab ballastless track when bridge deflection is aroused by the train load. Calculation method of additional deflection force brought by bridge deflection on ballastless track is deduced firstly, and then additional deflection force on slabs and bed plates of CRTS Ⅰ slab track which are used in some main bridge types with train operating speed of 300 - 350 km/h and 200 - 250 km/h are calculated to provide references for structure design of CRTS Ⅰslab track.
出处
《铁道建筑技术》
2009年第8期7-9,38,共4页
Railway Construction Technology
