| 强度折减有限元在堤防稳定分析中的应用研究 |
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| 引用本文： | 张芳枝,陈晓平,梁志松.强度折减有限元在堤防稳定分析中的应用研究[J].工程地质学报(英文版),2011,19(2):244-249. |
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| 作者姓名： | 张芳枝 陈晓平 梁志松 |
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| 作者单位： | 1.暨南大学力学与土木工程系 广州 510632; |
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| 基金项目： | 广东省水利科研及技术推广项目(2008-38); 广东水利科技创新项目(ysk2009-01) |
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| 摘 要： | 采用强度折减有限元法,研究非均值堤防塑性区的开展特征和失稳破坏过程,并根据堤防应力场分布和临界滑动面的形成来分析堤岸整体失稳破坏的机理.结果表明:把强度折减有限元应用到非均质土层的堤防边坡稳定分析,在理论上、数值模拟实现上都是可行的;有限元静力平衡和位移计算不收敛作为堤防边坡整体失稳的标志,同时考察滑移面上某些特征点的...
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| 关 键 词： | 强度折减有限元法 堤防 失稳判据 失稳机理 屈服准则 |
| 收稿时间： | 2010-07-28 |
APPLICATION OF STRENGTH REDUCTION FEM TO STABILITY ANALYSIS OF EMBANKMENT SLOPES |
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| ZHANG Fangzhi CHEN Xiaoping LIANG Zhisong.APPLICATION OF STRENGTH REDUCTION FEM TO STABILITY ANALYSIS OF EMBANKMENT SLOPES[J].Journal of Engineering Geology,2011,19(2):244-249. |
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| Authors: | ZHANG Fangzhi CHEN Xiaoping LIANG Zhisong |
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| Institution: | 1.College of Science and Engineering,Jinan University,Guangzhou 510632;2.Guangdong Technical College of Water Resources and Electric Engineering,Guangzhou 510635 |
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| Abstract: | The characteristics of the development of plastic strain and the process of unstable failure for embankment of heterogeneous soils are studied with the strength reduction FEM.The unstable mechanism for embankment is analyzed according to the stress field of unstable state and formation of the critical slip surfaces.The results indicate that the strength reduction FEM is applied to stability analysis of embankments of heterogeneous soils in the theory and numeric simulation.Furthermore,the numerical non-conv... |
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| Keywords: | Shear strength reduction FEM Soil embankment Failure criterion Unstable mechanism Yield criterion |
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