1. State Key Laboratory of Silicate Materials for ArchitectureWuhan University of Technology Wuhan China
2. Key Laboratory of Highway Construction and Maintenance Technology in Loess RegionShanxi Transportation Technology Research & Development Co., Ltd Taiyuan China
3. Department of Civil and Environmental EngineeringUniversity of Waterloo Waterloo Ontario Canada
4. Department of Tourism and Hotel ManagementShanxi Technology and Business College Taiyuan China