Dr. Qingyang Ren is Professor(T2, four-tier system in china) and Doctoral Supervisor of School of Civil Engineering, Chongqing Jiaotong University, the first batch of Chongqing Talents and Innovation Leaders, Chongqing Academic and Technological Leader, Distinguished Professor of Bayu scholars, Young Scientific and Technological Talent of Ministry of Transport, Academic Leader of State Key Laboratory of Mountain Bridge and Tunnel Engineering and Discipline Leader of the Doctoral Program of Disaster Prevention, Mitigation and Protection Engineering of Chongqing Jiaotong University, Leader of Innovation Research Group in Chongqing's Colleges and Universities. Professor Ren also serves as the vice president of the Technology Development Alliance of Chinese Architectural Colleges, Director of Landslide and Engineering Slope Branch of Chongqing Society of Rock Mechanics and Engineering and Chinese Society of Rock Mechanics and Engineering, Member of American Geophysical Society and International Society of Geotechnical Engineering Society, Reviewer of international journals such as 《Geotechnical and Geological Engineering》,《Journal of Vibration Engineering & Technologies and Engineering Geography》. Professor Ren has rewarded second prize of the Science and Technology Progress of the People's Republic of China one time, prize of the Provincial and Ministerial Science and Technology Progress, first prize 3 times and second prize 6 times. At the same time, He has presided 5 national projects and 16 provincial and ministerial major projects which funded by the National Natural Science Foundation of China and Chongqing University Innovation Research Group, respectively. More, he has published seven academic books and nearly a hundred articles.

• Introduction.- The constitutive relationship of rock and soil and its influencing factors.- Numerical Modeling Methods.- Triaxial test and numerical modeling of expansive soil.- Soil triaxial test and numerical modeling.- Triaxial test and numerical modeling of clay.- Influence of stress path and stress history on the constitutive relation.- Content induction and research prospects.

Dr. Qingyang Ren is Professor(T2, four-tier system in china) and Doctoral Supervisor of School of Civil Engineering, Chongqing Jiaotong University, the first batch of Chongqing Talents and Innovation Leaders, Chongqing Academic and Technological Leader, Distinguished Professor of Bayu scholars, Young Scientific and Technological Talent of Ministry of Transport, Academic Leader of State Key Laboratory of Mountain Bridge and Tunnel Engineering and Discipline Leader of the Doctoral Program of Disaster Prevention, Mitigation and Protection Engineering of Chongqing Jiaotong University, Leader of Innovation Research Group in Chongqing's Colleges and Universities. Professor Ren also serves as the vice president of the Technology Development Alliance of Chinese Architectural Colleges, Director of Landslide and Engineering Slope Branch of Chongqing Society of Rock Mechanics and Engineering and Chinese Society of Rock Mechanics and Engineering, Member of American Geophysical Society and International Society of Geotechnical Engineering Society, Reviewer of international journals such as 《Geotechnical and Geological Engineering》,《Journal of Vibration Engineering & Technologies and Engineering Geography》. Professor Ren has rewarded second prize of the Science and Technology Progress of the People's Republic of China one time, prize of the Provincial and Ministerial Science and Technology Progress, first prize 3 times and second prize 6 times. At the same time, He has presided 5 national projects and 16 provincial and ministerial major projects which funded by the National Natural Science Foundation of China and Chongqing University Innovation Research Group, respectively. More, he has published seven academic books and nearly a hundred articles.

• Introduction.- The constitutive relationship of rock and soil and its influencing factors.- Numerical Modeling Methods.- Triaxial test and numerical modeling of expansive soil.- Soil triaxial test and numerical modeling.- Triaxial test and numerical modeling of clay.- Influence of stress path and stress history on the constitutive relation.- Content induction and research prospects.

Dr. Qingyang Ren is Professor(T2, four-tier system in china) and Doctoral Supervisor of School of Civil Engineering, Chongqing Jiaotong University, the first batch of Chongqing Talents and Innovation Leaders, Chongqing Academic and Technological Leader, Distinguished Professor of Bayu scholars, Young Scientific and Technological Talent of Ministry of Transport, Academic Leader of State Key Laboratory of Mountain Bridge and Tunnel Engineering and Discipline Leader of the Doctoral Program of Disaster Prevention, Mitigation and Protection Engineering of Chongqing Jiaotong University, Leader of Innovation Research Group in Chongqing's Colleges and Universities. Professor Ren also serves as the vice president of the Technology Development Alliance of Chinese Architectural Colleges, Director of Landslide and Engineering Slope Branch of Chongqing Society of Rock Mechanics and Engineering and Chinese Society of Rock Mechanics and Engineering, Member of American Geophysical Society and International Society of Geotechnical Engineering Society, Reviewer of international journals such as 《Geotechnical and Geological Engineering》,《Journal of Vibration Engineering & Technologies and Engineering Geography》. Professor Ren has rewarded second prize of the Science and Technology Progress of the People's Republic of China one time, prize of the Provincial and Ministerial Science and Technology Progress, first prize 3 times and second prize 6 times. At the same time, He has presided 5 national projects and 16 provincial and ministerial major projects which funded by the National Natural Science Foundation of China and Chongqing University Innovation Research Group, respectively. More, he has published seven academic books and nearly a hundred articles.

• Introduction.- The constitutive relationship of rock and soil and its influencing factors.- Numerical Modeling Methods.- Triaxial test and numerical modeling of expansive soil.- Soil triaxial test and numerical modeling.- Triaxial test and numerical modeling of clay.- Influence of stress path and stress history on the constitutive relation.- Content induction and research prospects.