Funding for this research was provided by:
National key research and development program (2018YFC1505402)
National Natural Science Foundation of China (41871174)
State Key Laboratory of Geohazard Prevention and Geoenvironment Protection (SKLGP2019K018)
Fundamental Research Funds for the Central Universities (2682019CX19)
Article History
Received: 23 March 2019
Accepted: 16 October 2019
First Online: 16 November 2019