Dr. Yang Changwei graduated in Geotechnical Engineering from the Department of Civil Engineering, Southwest Jiaotong University in 2014, and is a member of the Chinese Society for Rock Mechanics. His interests include disaster prevention and reduction for high-speed railways and highways. He has authored over 50 papers published in peer-reviewed journals, been granted four software copyrights, was the lead author of three sets of Chinese standards, and published three books. He also won the Liu Huixian Earthquake Engineering Scholarship Award in 2013, which only eight doctors in the world have won; the Si Shi Yang Hua Medal which is the blue ribbon at the Southwest Jiaotong University, the Progress Prize from Chinese Railway Institute of Science and Technology in 2012, and the Chinese Journal of Rock Mechanics and Engineering Society’s National excellent Doctoral Dissertation Award in 2015.   Dr. Yang Guotao graduated in Geotechnical Earthquake Engineering from the Department of Civil Engineering, Beijing Jiaotong University and is currently a Deputy Director of the China Railways Corporation. His research interests focus on subgrade engineering. With 15 years’ experience in the field, he has proposed, led and managed various research projects, such as Railway Development Plans. He has authored over 10 papers published in peer-reviewed journals and been granted three software copyrights. He is the project leader of six sets of Chinese standards and the first author of one book. He has also won several China Railway Society Science and Technology Progress Awards  (Grand Prize and First Prize).  Professor Zhang Jianjing has been working in the field of seismic stability of slope for thirty years. He has won various important awards, such as the Scientific and Technological Progress Award from Sichuan province, the Scientific and Technological Progress Award from the Chinese Highway and Transportation Society, and the Scientific and Technological Progress Award from the Chinese Railway Society. Mr. Ma Hongsheng is Deputy Chief Engineer at the Sichuan Highway Design and Research Institute (SCHDRI) , Sichuan Provincial Department of Transportation.