1. Key Laboratory of Mechanics on Western Disasters and Environment, Ministry of Education, College of Civil Engineering and Mechanics, Key Laboratory of Special Function Materials and Structure Design of Ministry of Education, Lanzhou University, Lanzhou 730000, People's Republic of China
2. State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, School of Science, Lanzhou University of Technology, Lanzhou 730050, People's Republic of China