Department of Bridge Engineering School of Civil Engineering Southwest Jiaotong University Chengdu 610031 China;
National Engineering Laboratory for Technology of Geological Disaster Prevention in Land Transportation Southwest Jiaotong University Chengdu 611756 China;
Research Scientist Equifax Inc A lpharetta 30309 USA;
Department of Bridge Engineering School of Civil Engineering Southwest Jiaotong University Chengdu 610031 China;
Department of Bridge Engineering School of Civil Engineering Southwest Jiaotong University Chengdu 610031 China;