1. Professor, College of Civil Engineering, Xi’an Univ. of Architecture and Technology, Xi’an, Shaanxi 710055, China.
2. Doctor, Xi’an Univ. of Architecture and Technology, Xi’an, Shaanxi 710055, China (corresponding author).
3. Engineer, BGI Engineering Consultants Ltd., No. 15 Yangfangdian Rd., Beijing 100038, China.