位于北京铁道部科学研究院东郊环形试验基地的中国铁道科学院轨道动力学试验室,是迄今为止世界上同类试验室中规模最大、功能最多、设备最先进的试验室之一。该试验室的主要试验设备有:实尺轨道综合试验系统、轨道及车辆部件试验系统、数据采集分析处理系统、轨道扭曲试验系统、轨检车及检测设备标定系统。可对运量和轴重对轨道状态和部件寿命的影响,各种实尺轨道结构的动应力和变形,各种曲线(R> The Orbit Dynamics Laboratory of China Academy of Railway Sciences, which is located in the annular test base of the eastern outskirts of the Academy of Sciences of Beijing, is one of the largest, most versatile and most advanced laboratories of its kind in the world. The main test equipment of the laboratory are: real rail integrated test system, rail and vehicle parts test system, data acquisition and analysis system, track distortion test system, rail car and testing equipment calibration system. The influence of volume and axle load on track condition and component life, the dynamic stress and deformation of various real rail structures, various curves (R>