How to reasonably use the data tested from FWD to predict the remaining life of pavement,even to design the width of the overlay,is an important and difficult research project in road engineering.

• 落锤式弯沉仪(FWD)作为一种快速测试仪器,如何合理利用其所测数据来评定路面的剩余寿命,从而确定路面的罩面厚度,是道路研究的一个重要课题。