Funding for this research was provided by:
the Natural Science Foundation of PR China (51478071)
National Key Laboratory of Mountain Bridge, Tunnel Engineering Development Fund (CQSLBF−Y14, CQSLBF−Y16−10)
Chongqing Returned Overseas Students' Entrepreneurship and Innovation Support Fund (cx2018113)
Article History
Received: 6 May 2020
Accepted: 8 January 2021
First Online: 25 February 2021