[1] Univ Hong Kong, Dept Civil Engn, Pokfulam, Hong Kong, Peoples R China
[2] Loughborough Univ, Sch Architecture Bldg & Civil Engn, Loughborough, Leics, England
[3] Xian Univ Technol, State Key Lab Ecohydraul Northwest Arid Reg China, Xian, Peoples R China