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Multi-directional modeling for prediction of fabric anisotropy in sand liquefaction |
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| Institution: | 1. Institute of Systems Science, Northeastern University, Shenyang, Liaoning, China;2. Dalian Key Lab of Digital Technology for National Culture, Dalian Minzu University, Dalian, Liaoning, China;3. Research Center of Information and Control, Dalian University of Technology, Dalian, Liaoning, China;4. Department of Computing, Curtin University, Perth, WA, Australia;1. Ming Hsieh Department of Electrical Engineering, University of Southern California, Los Angeles, CA 90089, USA;2. College of Science (Physics), Swansea University, Singleton Park, Swansea SA2 8PP, UK |
| Abstract: | Anisotropy in the onset of liquefaction and post liquefaction under cyclic loading condition causes the change in response behavior of the soil. The proposed model operates within the integration of sliding/opening/closing framework of 17 predefined planes as local deformation. This leads to the use of better stress/strain multilaminate histories with many directional effects on soil behavior specifically internal mechanism during pre and post-liquefaction. The ability of multilaminate model for fabric anisotropy has been proven by comparison with the experimental results under drain and undrained conditions and monotonic and cyclic loading. The effects of induced anisotropy was also investigated. |
| Keywords: | Multilaminate Granular materials Constitutive law Undrained Induced anisotropy Cyclic |
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