ZHANG Kai-Ze1, WU Qing-Shuo1, WEI Hong-Ji1, WANG Yu-Shi2, LIU Shu-Zhen2**, ZI Xue-Hong2**, CHEN Yong-Bao2
1. College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China; 2. College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China