Deformation and Failure Characteristics of Soil-Rock Mixture considering Material Composition and Random Structure
The soil-rock mixture is a cohesive-frictional geomaterial subjected to impacts of composition and structure seriously. When it suffers from gravity or other kinds of loadings, the loss of its bearing capacity always appears a progressive failure. In this study, the ultimate criterion of the frictio...
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| Format: | Article |
| Language: | English |
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Wiley
2019-01-01
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| Series: | Advances in Materials Science and Engineering |
| Online Access: | http://dx.doi.org/10.1155/2019/3165096 |
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| author | Shengnian Wang Tingting Ji Qinpei Xue Zhifu Shen Qiang Zhang |
| author_facet | Shengnian Wang Tingting Ji Qinpei Xue Zhifu Shen Qiang Zhang |
| author_sort | Shengnian Wang |
| collection | DOAJ |
| description | The soil-rock mixture is a cohesive-frictional geomaterial subjected to impacts of composition and structure seriously. When it suffers from gravity or other kinds of loadings, the loss of its bearing capacity always appears a progressive failure. In this study, the ultimate criterion of the frictional material changing from the deformation stage to the failure stage is analyzed first and then the deformation and failure characteristics of the soil-rock mixture with different compositions and structures are discussed by the discrete element method. The results indicate that the deformation and failure of the soil-rock mixture under axial pressure appear a significant phenomenon of detouring around rock blocks. The bond failure zones and the ultimate shear strain increase with the increase of rock block proportion. The distribution of the bond failure zones always has a good uniformity with the inclination of rock block inclinations. The increase of cementation degree between particles expands the distribution of the bond failure zones but minifies the ultimate shear strain. |
| format | Article |
| id | doaj-art-cd2d070754d4432c8c04fbab5773e64b |
| institution | Kabale University |
| issn | 1687-8434 1687-8442 |
| language | English |
| publishDate | 2019-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Materials Science and Engineering |
| spelling | doaj-art-cd2d070754d4432c8c04fbab5773e64b2025-02-03T06:07:13ZengWileyAdvances in Materials Science and Engineering1687-84341687-84422019-01-01201910.1155/2019/31650963165096Deformation and Failure Characteristics of Soil-Rock Mixture considering Material Composition and Random StructureShengnian Wang0Tingting Ji1Qinpei Xue2Zhifu Shen3Qiang Zhang4Institute of Geotechnical Research, Nanjing Tech University, Nanjing 211816, ChinaInstitute of Geotechnical Research, Nanjing Tech University, Nanjing 211816, ChinaInstitute of Geotechnical Research, Nanjing Tech University, Nanjing 211816, ChinaInstitute of Geotechnical Research, Nanjing Tech University, Nanjing 211816, ChinaChina Institute of Water Resources and Hydropower Research, Beijing 100038, ChinaThe soil-rock mixture is a cohesive-frictional geomaterial subjected to impacts of composition and structure seriously. When it suffers from gravity or other kinds of loadings, the loss of its bearing capacity always appears a progressive failure. In this study, the ultimate criterion of the frictional material changing from the deformation stage to the failure stage is analyzed first and then the deformation and failure characteristics of the soil-rock mixture with different compositions and structures are discussed by the discrete element method. The results indicate that the deformation and failure of the soil-rock mixture under axial pressure appear a significant phenomenon of detouring around rock blocks. The bond failure zones and the ultimate shear strain increase with the increase of rock block proportion. The distribution of the bond failure zones always has a good uniformity with the inclination of rock block inclinations. The increase of cementation degree between particles expands the distribution of the bond failure zones but minifies the ultimate shear strain.http://dx.doi.org/10.1155/2019/3165096 |
| spellingShingle | Shengnian Wang Tingting Ji Qinpei Xue Zhifu Shen Qiang Zhang Deformation and Failure Characteristics of Soil-Rock Mixture considering Material Composition and Random Structure Advances in Materials Science and Engineering |
| title | Deformation and Failure Characteristics of Soil-Rock Mixture considering Material Composition and Random Structure |
| title_full | Deformation and Failure Characteristics of Soil-Rock Mixture considering Material Composition and Random Structure |
| title_fullStr | Deformation and Failure Characteristics of Soil-Rock Mixture considering Material Composition and Random Structure |
| title_full_unstemmed | Deformation and Failure Characteristics of Soil-Rock Mixture considering Material Composition and Random Structure |
| title_short | Deformation and Failure Characteristics of Soil-Rock Mixture considering Material Composition and Random Structure |
| title_sort | deformation and failure characteristics of soil rock mixture considering material composition and random structure |
| url | http://dx.doi.org/10.1155/2019/3165096 |
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