1. Department of Civil Engineering, University of Esfahan, Esfahan 8174673441, Iran
2. College of Civil Engineering, Fuzhou University, University Town, 2 Xueyuan Road, Fuzhou 350108, China
3. Institute of Construction and Building Materials, Technical University of Darmstadt, Franziska-Braun-Str. 3, 64287 Darmstadt, Germany