Department of Mechanics, Tianjin University, Tianjin, China;
Departments of Geology, Geography, Mechanical Science and Engineering and Ven Te Chow Hydrosystems Laboratory, University of Illinois at Urbana Champaign, Champaign, IL, USA;
Departments of Geology, Geography, Mechanical Science and Engineering and Ven Te Chow Hydrosystems Laboratory, University of Illinois at Urbana Champaign, Champaign, IL, USA;
Department of Mechanics, Tianjin University, Tianjin, China;
Departments of Geology, Geography, Mechanical Science and Engineering and Ven Te Chow Hydrosystems Laboratory, University of Illinois at Urbana Champaign, Champaign, IL, USA;