1. Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong, People’s Republic of China
2. Department of Mechanics, Sun Yat-sen University, Guangzhou, People’s Republic of China
3. Guangdong Polytechnic Normal University, Guangzhou, People’s Republic of China
4. Guangxi Key Lab of Manufacturing System and Advanced Manufacturing Technology, Guangxi University, Nanning, People’s Republic of China