An Enhanced Generalized Plasticity Model for Coarse Granular Material considering Particle Breakage
In this study, an enhanced constitutive model is developed for coarse granular soil within the framework of generalized plasticity (Pastor, Zienkiewicz, and Chan, 1990). In this model, particle breakage is also considered by introducing the state parameter and the compression index into the plastic...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2018-01-01
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| Series: | Advances in Civil Engineering |
| Online Access: | http://dx.doi.org/10.1155/2018/7242936 |
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| author | W. J. Cen J. R. Luo W. D. Zhang M. S. Rahman |
| author_facet | W. J. Cen J. R. Luo W. D. Zhang M. S. Rahman |
| author_sort | W. J. Cen |
| collection | DOAJ |
| description | In this study, an enhanced constitutive model is developed for coarse granular soil within the framework of generalized plasticity (Pastor, Zienkiewicz, and Chan, 1990). In this model, particle breakage is also considered by introducing the state parameter and the compression index into the plastic modulus, loading vectors, and plastic flow direction vectors of a generalized plasticity model. The calibration of constitutive parameters of the enhanced model is addressed in detail. The numerical simulation of triaxial tests for two types of coarse granular soils under different confining pressures is carried out to illustrate the particle breakage performance of the enhanced model. The good agreement between numerical results and experimental data indicates that the enhanced model can accurately characterize the influence of particle breakage on essential behavior of coarse granular soils. |
| format | Article |
| id | doaj-art-0e05cf4bdd984ac38fa4d11053b13a67 |
| institution | Kabale University |
| issn | 1687-8086 1687-8094 |
| language | English |
| publishDate | 2018-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Civil Engineering |
| spelling | doaj-art-0e05cf4bdd984ac38fa4d11053b13a672025-02-03T01:30:47ZengWileyAdvances in Civil Engineering1687-80861687-80942018-01-01201810.1155/2018/72429367242936An Enhanced Generalized Plasticity Model for Coarse Granular Material considering Particle BreakageW. J. Cen0J. R. Luo1W. D. Zhang2M. S. Rahman3College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, ChinaCollege of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, ChinaHunan Hydro & Power Design Institute, Changsha 410021, ChinaDepartment of Civil, Construction, and Environmental Engineering, North Carolina State University, Raleigh, NC, USAIn this study, an enhanced constitutive model is developed for coarse granular soil within the framework of generalized plasticity (Pastor, Zienkiewicz, and Chan, 1990). In this model, particle breakage is also considered by introducing the state parameter and the compression index into the plastic modulus, loading vectors, and plastic flow direction vectors of a generalized plasticity model. The calibration of constitutive parameters of the enhanced model is addressed in detail. The numerical simulation of triaxial tests for two types of coarse granular soils under different confining pressures is carried out to illustrate the particle breakage performance of the enhanced model. The good agreement between numerical results and experimental data indicates that the enhanced model can accurately characterize the influence of particle breakage on essential behavior of coarse granular soils.http://dx.doi.org/10.1155/2018/7242936 |
| spellingShingle | W. J. Cen J. R. Luo W. D. Zhang M. S. Rahman An Enhanced Generalized Plasticity Model for Coarse Granular Material considering Particle Breakage Advances in Civil Engineering |
| title | An Enhanced Generalized Plasticity Model for Coarse Granular Material considering Particle Breakage |
| title_full | An Enhanced Generalized Plasticity Model for Coarse Granular Material considering Particle Breakage |
| title_fullStr | An Enhanced Generalized Plasticity Model for Coarse Granular Material considering Particle Breakage |
| title_full_unstemmed | An Enhanced Generalized Plasticity Model for Coarse Granular Material considering Particle Breakage |
| title_short | An Enhanced Generalized Plasticity Model for Coarse Granular Material considering Particle Breakage |
| title_sort | enhanced generalized plasticity model for coarse granular material considering particle breakage |
| url | http://dx.doi.org/10.1155/2018/7242936 |
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