Funding for this research was provided by:
National Natural Science Foundation of China (No. 41877272)
The Opening Fund of State Key Laboratory of Geohazard Prevention and Geoenvironment Protection (SKLGP2018K010)
Fundamental Research Funds for the Central Universities of Central South University (2019zzts673)
Article History
Received: 4 July 2019
Accepted: 27 January 2020
First Online: 6 February 2020