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| Content Provider | Springer Nature Link |
|---|---|
| Author | Zhang, Yu jun Ju, Xiao dong |
| Copyright Year | 2014 |
| Abstract | The pressure solution model of granular aggregates was introduced into a FEM code which was developed for the analysis of thermo-hydro-mechanical (T-H-M) coupling in porous medium. Aimed at creating a hypothetical model of nuclear waste disposal in unsaturated quartz aggregate rock mass with laboratory scale, two 4-year computation cases were designed: 1) The porosity and permeability of rock mass are functions of the pressure solution; 2) The porosity and the permeability are constants. Calculation results show that the magnitude and distribution of stresses in the rock mass of these two calculation cases are roughly the same. And, the porosity and the permeability decrease to 43%–54% and 4.4%–9.1% of their original values after case 1 being accomplished; but the negative pore water pressures in cases 1 and 2 are respectively 1.0–1.25 and 1.0–1.1 times of their initial values under the action of nuclear waste. Case 1 exhibits the obvious effect of pressure solution. |
| Starting Page | 3936 |
| Ending Page | 3944 |
| Page Count | 9 |
| File Format | |
| ISSN | 20952899 |
| Journal | Journal of Central South University of Technology |
| Volume Number | 21 |
| Issue Number | 10 |
| e-ISSN | 22275223 |
| Language | English |
| Publisher | Central South University |
| Publisher Date | 2014-10-17 |
| Publisher Place | Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | pressure solution aggregate rock thermo-hydro-mechanical (T-H-M) coupling numerical simulation Engineering Metallic Materials |
| Content Type | Text |
| Resource Type | Article |
| Subject | Metals and Alloys Engineering |
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