1. Department of Geotechnical Engineering, College of Civil Engineering Tongji University Shanghai China
2. Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education Tongji University Shanghai China
3. Department of Energy and Mineral Engineering, EMS Energy Institute and G3 Center Pennsylvania State University University Park PA USA
4. Department of Geosciences Pennsylvania State University University Park PA USA
5. PetroChina Hangzhou Institute of Geology Hangzhou China
6. CNPC Engineering Technology R&D Company Limited Beijing China
7. Department of Civil and Architectural Engineering and Mechanics University of Arizona Tucson AZ USA