1. Department of Civil, Environmental, and Architectural Engineering, University of Colorado Boulder, 1111 Engineering Drive ECOT 441 UCB 428, Boulder, Colorado 80309, United States
2. School of Civil and Hydraulic Engineering, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China
3. Materials Science and Engineering Program, University of Colorado Boulder, 4001 Discovery Drive, UCB 027, Boulder, Colorado 80303, United States