The low cost track, which consists of the traditional wide-sleeper tack, ballast bed with rubber bits and the elastic packing material between sleepers, is a new type with three-dimensional elasitic support.

• 摘要介绍以传统的宽枕轨道框架、碎橡胶道床、枕端无遮挡弹性定位和枕间弹性材料密封装配成的，具有三维弹性支撑的碎橡胶道床轨道。