Funding for this research was provided by:
National Natural Science Foundation of China (51574201)
State Key Laboratory of Geohazard Prevention and Geoenvironment Protection (KLGP2015K006)
Scientific and Technical Youth Innovation Group (2015CXTD05)
Article History
Received: 9 August 2018
Accepted: 2 May 2020
First Online: 25 May 2020