Funding for this research was provided by:
the National Natural Science Foundation of China (41661134012, 41671112)
the opening project of Sichuan Province University Key Laboratory of Bridge Non-destruction Detecting and Engineering Computing (2016QYY02)
the talent introduction project of Sichuan University of Science & Engineering (2018RCL09)
Article History
Received: 8 August 2018
Accepted: 20 January 2019
First Online: 2 February 2019