| 塑性应变与塑性应变率意义下的滑坡判据研究 |
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| 引用本文： | 凌荣华,陈月娥.塑性应变与塑性应变率意义下的滑坡判据研究[J].工程地质学报(英文版),1997,5(4):346-350. |
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| 作者姓名： | 凌荣华 陈月娥 |
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| 作者单位： | 中国科学院地质研究所工程地质力学开放研究实验室,北京100029 |
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| 基金项目： | 中国科学院山地滑坡与泥石流地质灾害特别支持项目 |
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| 摘 要： | 本文在目前滑坡研究中滑坡判据没有统一标准的前提下, 提出了小变形条件下的统一滑坡判据, 并讨论了在数值模拟时不同方法的精度问题及应力间断线上重要的一些性质。对有限变形时塑性应变或塑性应变率作为滑坡判据的可能性作了进一步的分析。最后, 指出了目前滑坡研究中存在的最大缺陷及解决方法。
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| 关 键 词： | 滑坡判据 小变形 有限变形 |
| 收稿时间： | 1997-08-14 |
SLOPE SLIDING CRITERIA CONSIDERING PLASTIC STRAIN AND PLASTIC STRAIN RATE |
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| Ling Ronghua,Chen Yuee.SLOPE SLIDING CRITERIA CONSIDERING PLASTIC STRAIN AND PLASTIC STRAIN RATE[J].Journal of Engineering Geology,1997,5(4):346-350. |
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| Authors: | Ling Ronghua Chen Yuee |
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| Institution: | Institute of geology, Chinese Academy of Sciences, Beijing 100029 |
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| Abstract: | General slope sliding criteria under a small deformation dondition are proposed in this paper. Meanwhile, the accuracy of different numerical methods and the important features of stress discontinuous line are discussed . The possibility of plastic strain and plastic strain rate for finite deformation considered as slope sliding criteria is studied further. Finally the conspicuous defects in present slope stability theory are pointed out, and the correct direction and its solution methods are suggested. |
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| Keywords: | Slope sliding criterion Small deformation Finite deformation |
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