1. National Center for Materials Service Safety, University of Science and Technology Beijing (USTB), 30 Xueyuan Rd., Haidian District, Beijing 100083, China
2. Department of Civil and Environmental Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0002, USA; and Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0002, USA (Corresponding author), e-mail: wangl@vt.edu, https://orcid.org/0000-0003-2670-376X