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| 基于FLAC3D的浮托型推移式滑坡稳定性分析 | |
| 引用本文： | 易朋莹,邓时义,吕涛,吴韩.基于FLAC3D的浮托型推移式滑坡稳定性分析[J].四川理工学院学报(自然科学版),2012,25(2):60-63. |
| 作者姓名： | 易朋莹 邓时义 吕涛 吴韩 |
| 作者单位： | 1. 重庆市高新工程勘察设计院有限公司,重庆401121／四川宏扬建筑集团有限公司,四川资阳641500 2. 四川宏扬建筑集团有限公司,四川资阳,641500 3. 重庆市交通规划勘察设计院,重庆,401121 4. 西北综合勘察设计研究院重庆分院,重庆,400014 |
| 摘 要： | 基于三峡库区典型浮托型推移式滑坡——云阳凉水井滑坡地质特征,建立计算模型和计算工况,采用强度折减法运用FLAC3D求解稳定系数,计算成果与传递系数法较符合;结合条块自身稳定系数变化量,用剪应变增量分析滑坡在各种工况下的变形特征:滑坡在长江高水位下稳定性最差;水位下降时前缘的变形大,降雨时后缘变形较大,该滑坡类型为浮托型推移式滑坡。 |
| 关 键 词： | 浮托型推移式滑坡 滑坡稳定性 变形规律 数值模拟分析 成因机制 |
Analysis of Stability for Floated-pushed Landslide Based on FLAC3D |
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| YI Peng-ying,DENG Shi-yi,LV Tao,WU Han.Analysis of Stability for Floated-pushed Landslide Based on FLAC3D[J].Journal of Sichuan University of Science & Engineering:Natural Science Editton,2012,25(2):60-63. | |
| Authors: | YI Peng-ying DENG Shi-yi LV Tao WU Han |
| Institution: | 1.Chongqing Hi-Tech Engineering Reconnaissance & Design Institute,Chongqing 401121,China; 2.Sichuan Hong-yang Construction Clan Company,Ziyang 641500,China; 3.Chongqing Communications Planning Survey & Design Institute,Chongqing 401121,China;4.Chongqing Branch Institute,Northwest Research Institute of Engineering Investigations and Design,Chongqing 400014,China) |
| Abstract: | On the basis of geological characteristics of Yunyang Liangshuijing landslide,which is a typical floated-pushed landslide in the reservoir of Three Gorges,calculation model and calculation conditions are established.Meanwhile,the method of strength reduction and FLAC3D are adopted to solve stability coefficients.The calculation results fit the transfer coefficient method quite well.Combining with the variation of stability coefficient of compartmentalization itself,the increment of shear strain is used to analyze the deformation characteristics of landslide under various conditions.The stability of landslide,which is under high water level in the Yangtze River,is the worst.When the water level drops,the front edge of the landslide has large deformation,and while it is raining,the back edge of the landslide has quite large deformation,so this type of landslide is called floated-pushed landslide. |
| Keywords: | floated-pushed landslide landslide stability deformation law analysis of numerical simulation formation mechanism |
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