Funding for this research was provided by:
the Scientific and Technological Innovation Projects with Special Funds for Fundamental Scientific Research Business Fees of Central Universities (2682019CX03)
Natural Science Foundation of Hebei Province (E2020210068)
State Key laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures (ZZ2020-01)
Article History
Received: 5 December 2019
Accepted: 30 September 2020
First Online: 8 February 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.