| 陡倾角卸荷裂隙对岩质边坡应力场的敏感性分析 |
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| 引用本文： | 戴妙林,朱大栋.陡倾角卸荷裂隙对岩质边坡应力场的敏感性分析[J].吉林水利,2006(5):14-17. |
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| 作者姓名： | 戴妙林 朱大栋 |
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| 作者单位： | 河海大学水电学院,江苏,南京,210098;河海大学水电学院,江苏,南京,210098 |
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| 摘 要： | 本文将横观各向同性材料的本构模型和屈服准则应用于含成组断续裂隙岩体的非线性有限元计算,结合白鹤滩拱坝勘Ⅰ线左岸天然岩质边坡的应力稳定研究,就陡倾角卸荷裂隙的分布深度、连通率和法向变形模量对边坡应力场的影响进行了敏感性分析,在计算成果的基础上,对边坡在天然状态下的稳定性作了初步评价。
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| 关 键 词： | 岩质边坡 卸荷裂隙 各向同性 应力场敏感性分析 |
| 文章编号： | 1009-2846（2006）05-0014-04 |
| 收稿时间： | 2006-02-16 |
| 修稿时间： | 2006年2月16日 |
Analysis of sensitivity for high dip angle unloading fissure to rock side slope stress field |
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| DAI Miao-lin,ZHU Da-dong.Analysis of sensitivity for high dip angle unloading fissure to rock side slope stress field[J].Jilin Water Resources,2006(5):14-17. |
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| Authors: | DAI Miao-lin ZHU Da-dong |
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| Abstract: | The constitutive model and the yield criterion of isotropy material are applied in the non-linear finite element calculation of intermittent fissure rock body,the sensitivity of influance for distribution depth,communicating rate and normal deformation modulus to side slope stress field of high dip angle unloading is analysed with the study of stress stability for Baihetan arch dam left bank rock side slope The stability of side slope under natural state is evaluated on the basis of the calculation result |
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| Keywords: | rock side slope unloading fissure isotropy stress field analysis of sensitivity |
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