Micro-scale modeling of saturated sandy soil behavior subjected to cyclic loading |
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| Authors: | Nadarajah Ravichandran Brian Machmer Hadakopan Krishnapillai Kimiro Meguro |
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| Institution: | 1. Department of Civil Engineering, Clemson University, 320 Lowry Hall Clemson, SC 29634, USA;2. International Center for Urban Safety Engineering (ICUS) Institute of Industrial Science, The University of Tokyo 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan |
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| Abstract: | Liquefaction induced damage to the built environment is one of the major causes of damage in an earthquake. Since Niigata earthquake in 1964, it has been popularly recognized that the liquefaction induced ground failures caused severe damage in various forms such as sand boiling, ground settlement, lateral spreading, landslide, etc. Since then, understanding the mechanism of liquefaction phenomena became very important to take measures against the liquefaction induced ground failures. To understand the mechanism of liquefaction, it is important to consider the soil as an assemblage of particles. A continuum approach may fail to explain some of the phenomena associated with liquefaction. Discrete approach, such as distinct/discrete element method (DEM), is an effective method that can simulate the mechanism of liquefaction and associated phenomena well at the microscopic level. |
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