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SEVERAL PROBLEMS ON THEORY OF THE ANISOTROPIC BOUNDING SURFACE MODEL |
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| Authors: | QIN Yazhou CHEN Jianlong XIONG Xiaobo LIU Cheng |
| Institution: | 1. Xinglin College, Nantong University, Jiangsu, Nantong 226019, China; 2. School of Transportation, Nantong University, Jiangsu, Nantong 226019, China; 3. Nantong Surveying and Design Institute of Water Resources Co., Ltd, Jiangsu, Nantong 226006, China; 4. School of Architecture Engineering, Nantong University, Jiangsu, Nantong 226019, China; 5. College of Civil Engineering, Nanjing Forestry University, Nanjing 210037, China |
| Abstract: | The interpolation of the plastic modulus between the real and imaginary stresses is used to determine the actual nonlinear deformation of the clay. The bounding surface model is suitable for the simulation of small nonlinear deformation of the clay. An anisotropic bounding surface model is developed based on Wheeler's elastoplastic model (S-CLAY1) and the bounding surface theory. The anisotropy of the natural clay can be captured by the model. Several problems on the theory of bounding surface model are discussed. The paper provides some guidance to understand and master the theory of the bounding surface model and to develop a new bounding surface model. |
| Keywords: | anisotropy|bounding surface|interpolation of plastic modulus|critical state |
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