1. School of Civil Engineering, Shenyang Jianzhu Univ., No. 9 Hunnan East Rd., Shenyang, Liaoning 110168, China; Jiangsu Key Laboratory of Environmental Impact and Structural Safety in Engineering, Xuzhou Jiangsu 221008, China; Smart Materials and Structures Laboratory, Dept of Mechanical Engineering, Univ. of Houston, Houston, TX 77204, USA.
2. School of Civil Engineering, Shenyang Jianzhu Univ., No. 9 Hunnan East Rd., Shenyang, Liaoning 110168, China.
3. Dept of Mechanical Engineering, Univ. of Houston, Houston, TX 77204, USA.