1. Professor, School of Civil Engineering, Chongqing Jiaotong Univ., Chongqing 400074, China.
2. School of Civil Engineering, Chongqing Jiaotong Univ., Chongqing 400074, China.
3. School of Material Science and Engineering, Chongqing Jiaotong Univ., Chongqing 400074, China.
4. Professor, Science and Technology Management Center, Chongqing Chongjiao Renewable Resources Development Co., Ltd., Emei Ave. 99, Liangjiang New Area, Chongqing 401122, China.
5. School of Material Science and Engineering, Chongqing Jiaotong Univ., Chongqing 400074, China (corresponding author).