Identification of Cavities Underneath Concrete Pavement Based on Pavement Vibration
ZENG Meng-yuan, ZHAO Hong-duo, WU Di-fei, CHEN Hui, LING Jian-ming
China Journal of Highway and Transport . 2020, (3): 42 -52 .  DOI: 10.19721/j.cnki.1001-7372.2020.03.003