1. Department of Construction Engineering, National Yunlin University of Science and Technology, 123 University Road, Section 3, Douliou, Yunlin, Taiwan, R.O.C.
2. Graduate School of Engineering Science and Technology, National Yunlin University of Science and Technology, 123 University Road, Section 3, Douliou, Yunlin, Taiwan, R.O.C.
3. Department of Soil and Water Conservation, National Chung-Hsing University, 250 Kuo Kuang Road, Taichung, Taiwan