Nondestuctive deflection testing using falling weight deflectometers (FWDs) is a effective tool to evaluate road condition, accurate FWD deflection data are key to the success of structural capacity study.

• FWD无破损弯沉测试技术是评价道路状况的有效工具，FWD弯沉数据的准确性是结构承载力研究的关键。