Multiphysics Coupling Model of Rock Mass considering Damage and Disturbance and Its Application
Aiming at the deficiency of the conventional multiphysics coupling model, the deterioration of strength parameters was considered by defining elastoplastic damage variables, and the heterogeneity of strength parameters was expressed by the Weibull distribution function. In addition, the relation bet...
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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/10.1155/2018/3067120 |
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| _version_ | 1849468008433451008 |
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| author | Wei Wang Zhouquan Luo Yaguang Qin Jun Xiang Lei Wen Shaowei Ma |
| author_facet | Wei Wang Zhouquan Luo Yaguang Qin Jun Xiang Lei Wen Shaowei Ma |
| author_sort | Wei Wang |
| collection | DOAJ |
| description | Aiming at the deficiency of the conventional multiphysics coupling model, the deterioration of strength parameters was considered by defining elastoplastic damage variables, and the heterogeneity of strength parameters was expressed by the Weibull distribution function. In addition, the relation between effective stress and the anisotropic permeability matrix was established, and the blast was transformed into a load boundary condition. On this basis, an improved multiphysics coupling model that considered damage and disturbance was constructed, while a corresponding finite element calculation program was developed. Taking an excavation stope as the object, the characteristics of the mining-induced stress, seepage, and failure were analyzed by an improved multiphysics coupling model and compared with actual detection data. The results show that the improved model reflects the extent and range of mining-induced failure more accurately and fits well with the actual detection. These results are compared to the conventional multiphysics coupling model and a single physics model. It is indicated that the improved multiphysics coupling model and corresponding calculation program are effective and rational. |
| format | Article |
| id | doaj-art-df68943fb3ee43cd905a5699285de0f8 |
| 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-df68943fb3ee43cd905a5699285de0f82025-08-20T03:25:59ZengWileyAdvances in Civil Engineering1687-80861687-80942018-01-01201810.1155/2018/30671203067120Multiphysics Coupling Model of Rock Mass considering Damage and Disturbance and Its ApplicationWei Wang0Zhouquan Luo1Yaguang Qin2Jun Xiang3Lei Wen4Shaowei Ma5School of Resources and Safety Engineering, Central South University, Changsha 410083, ChinaSchool of Resources and Safety Engineering, Central South University, Changsha 410083, ChinaSchool of Resources and Safety Engineering, Central South University, Changsha 410083, ChinaFankou Lead-Zinc Mine, Shaoguan 512325, ChinaSchool of Resources and Safety Engineering, Central South University, Changsha 410083, ChinaSchool of Resources and Safety Engineering, Central South University, Changsha 410083, ChinaAiming at the deficiency of the conventional multiphysics coupling model, the deterioration of strength parameters was considered by defining elastoplastic damage variables, and the heterogeneity of strength parameters was expressed by the Weibull distribution function. In addition, the relation between effective stress and the anisotropic permeability matrix was established, and the blast was transformed into a load boundary condition. On this basis, an improved multiphysics coupling model that considered damage and disturbance was constructed, while a corresponding finite element calculation program was developed. Taking an excavation stope as the object, the characteristics of the mining-induced stress, seepage, and failure were analyzed by an improved multiphysics coupling model and compared with actual detection data. The results show that the improved model reflects the extent and range of mining-induced failure more accurately and fits well with the actual detection. These results are compared to the conventional multiphysics coupling model and a single physics model. It is indicated that the improved multiphysics coupling model and corresponding calculation program are effective and rational.http://dx.doi.org/10.1155/2018/3067120 |
| spellingShingle | Wei Wang Zhouquan Luo Yaguang Qin Jun Xiang Lei Wen Shaowei Ma Multiphysics Coupling Model of Rock Mass considering Damage and Disturbance and Its Application Advances in Civil Engineering |
| title | Multiphysics Coupling Model of Rock Mass considering Damage and Disturbance and Its Application |
| title_full | Multiphysics Coupling Model of Rock Mass considering Damage and Disturbance and Its Application |
| title_fullStr | Multiphysics Coupling Model of Rock Mass considering Damage and Disturbance and Its Application |
| title_full_unstemmed | Multiphysics Coupling Model of Rock Mass considering Damage and Disturbance and Its Application |
| title_short | Multiphysics Coupling Model of Rock Mass considering Damage and Disturbance and Its Application |
| title_sort | multiphysics coupling model of rock mass considering damage and disturbance and its application |
| url | http://dx.doi.org/10.1155/2018/3067120 |
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