Up to now, most of present back-analysis theories are based on quasi-static analysis method, in fact, the load of FWD is dynamic, so it is necessary to develop dynamic back-analysis.

• 现有的反演理论基本上都是以拟静力分析方法为基础，而实际的行车荷载和FWD荷载都是动荷载，因此开展动力模型下的反分析是路面材料性能反演的必然趋势。