[1] Beijing Jiaotong Univ, Sch Civil Engn, Beijing 100044, Peoples R China
[2] Southwest Jiaotong Univ, MOE Key Lab High Speed Railway Engn, Chengdu 610031, Peoples R China
[3] Dalian Univ Technol, Coastal & Offshore Engn, Dalian 116023, Peoples R China