Funding for this research was provided by:
China Postdoctoral Science Foundation (2019M652384)
National Natural Science Foundation of China (41977222)
National Natural Science Foundation of China (42007234)
State Key Laboratory of Geomechanics and Geotechnical Engineering (Z019009)
Natural Science Foundation of Shandong Province (ZR2020QE263)
Article History
Received: 10 September 2020
Accepted: 6 March 2021
First Online: 15 March 2021