| 基于邓肯-张E-B模型的边坡稳定性强度折减法的研究及应用 |
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| 引用本文： | 张铭,戴磊.基于邓肯-张E-B模型的边坡稳定性强度折减法的研究及应用[J].中南公路工程,2014(6):5-7. |
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| 作者姓名： | 张铭 戴磊 |
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| 作者单位： | 重庆交通大学土木建筑学院,重庆400074 |
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| 基金项目： | 国家自然科学基金项目（51108488） |
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| 摘 要： | 针对邓肯-张E-B本构模型和强度折减法在土质边坡稳定性分析中应用广泛，对其进行二次开发并嵌入FLAC^3D中具有十分重要的意义。利用FLAC^3D的二次开发平台，编制本构模型的相应程序，通过三轴数值试验验证了所编制程序的正确性；结合强度折减法求解了某土质边坡安全系数并判断出其潜在滑动面。
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| 关 键 词： | 邓肯-张E-B模型 本构模型开发 强度折减法 潜在滑动面 |
Study and Application of Strength Reduction in Slope Stability Based on Duncan-Chang E-B Model |
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| ZI-IANG Ming,DAI Lei.Study and Application of Strength Reduction in Slope Stability Based on Duncan-Chang E-B Model[J].Central South Highway Engineering,2014(6):5-7. |
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| Authors: | ZI-IANG Ming DAI Lei |
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| Institution: | (School of Civil Engineering and Architecture of Chongqing Jiaotong University, Chongqing 400074, China) |
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| Abstract: | For Duncan-Chang e-b model and application of strength reduction FEM in stability analysis of soil slope wide secondary development and its embedded FLAC3D plays a very important. Developing and application of Duncan-Chang E-B model was realized in FLAC3D, of which accuracy wad verified by the analytic solution of load and unload. Safety factor of a soil slope was obtained and the latent sliding surface was identified by this model with strength reduction. |
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| Keywords: | duncan-chang E-B model constitutive model developing strength reduction latent sliding surface |
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