1. College of Mechanics and Materials, Hohai Univ., 1 Xikang Rd., Nanjing, Jiangsu 210098, China.
2. Associate Professor, College of Water Conservancy and Hydropower Engineering, Hohai Univ., 1 Xikang Rd., Nanjing, Jiangsu 210098, China.
3. Associate Professor, College of Water Conservancy and Civil Engineering, Shandong Agricultural Univ., No. 61, Daizong St., Taian, Shandong 271000, China.
4. Dept. of Technical Sciences, Civil Engineering, State University of Novi Pazar, Vuka Karadzica bb, 36300 Novi Pazar, Serbia.
5. Professor, College of Mechanics and Materials, Hohai Univ., 1 Xikang Rd., Nanjing, Jiangsu 210098, China (corresponding author).