With the analyses of the relationship figure between IRI and velocity of representative road profile wavelength, the change trend between IRI and vehicle velocity wasn't monotone increasing and was mainly affected by free vibration frequency of vehicle sy
With the analyses of the relationship figure between IRI and velocity of representative road profile wavelength, the change trend between IRI and vehicle velocity wasn't monotone increasing and was mainly affected by free vibration frequency of vehicle sy
通过分析典型路面波长国际平整度指数与行驶车速的关系图，发现国际平整度指数与速度之间不是单调增长关系，除路面因素外，两者之间的变化趋势主要受车辆系统自振频率的影响。