| 孔隙水压力对岩石力学参数的影响 |
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| 关键词:pore pressure fluid-solid coupling porosity permeability bulk elastic modulus |
| 基金项目:国家自然科学基金项目(编号:40572144) |
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| 摘要: |
| The Effect of the Pore Water Pressure on the Rock Mechanics Parameters |
| In multi-phase porous rock media, the change of pore water pressure will induce the deformation of rocks and the variation of rock mechanics parameters, which, in turn, will change the seepage flow field. Using the rock mechanics parameters, this paper deduces the relationships of deformation, porosity, coefficients of compressibility and bulk elastic modulus during the variation of the pore water pressure. Theoretical calculation and analysis show that it is effective to use couple analysis by means of renovated rock mechanics parameters when the seepage flow field and deformation field are given. |
| LIU Qi,LU Yao-ru,LI Xiao-zhao.2008.The Effect of the Pore Water Pressure on the Rock Mechanics Parameters[J].Acta Geoscientica Sinica,29(5):660-664. |
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