Funding for this research was provided by:
National Key Research and Development Program of China (2016YFC0800207)
National Natural Science Foundation of China (41472244, 51608188)
Provincial Key Research and Development Program of Hunan (0105679005)
Industrial Technology and Development Program of Zhongjian Tunnel Construction Co., Ltd. (17430102000417)
Article History
Received: 25 May 2018
Accepted: 30 January 2019
First Online: 11 February 2019