XU Guo-min,ZHAO Qi-hua,XU Hua-hui.Stability Prediction and Checking for Ganjiayuanzi Landslides in the Three Gorges Reservoir Area[J].Research of Soil and Water Conservation,2007,14(03):105-108.
三峡库区甘家院子滑坡稳定性预测与验算
- Title:
- Stability Prediction and Checking for Ganjiayuanzi Landslides in the Three Gorges Reservoir Area
- 分类号:
- P642.22
- 摘要:
- 三峡库区云阳县甘家院子滑坡是由H1、H2、H3滑坡体组成的滑坡群，类型复杂，影响范围甚广.在深入分析了滑坡地质特征、结构特征和变形特征的基础上，对滑坡就蓄水以后滑坡体的变形、失稳形式作出预测，最后采用传递系数法验算滑坡体整体稳定和局部稳定性，所得结果为滑坡的治理与防治工程提供依据.同时计算结果表明，该滑坡目前处于稳定状态，在库水位作用下或遭遇长时间高强度的暴雨时，滑坡可能整体失稳，与预测结果完全吻合.
- Abstract:
- Yunyang landslide,located in Yunyang county of the Three Gorges Reservoir area,is comprised by H1、H2 and H3 landslide body,whose circumstance is more urgent and influence is great.Based on an intensive study on the characteristics of geology,structure and deformation of the Ganjiayuanzi landslide,the deformation and stability failure forms of the landslide,supposing that the reservoir has stored water,are predicted.Lastly,checking local stability and overall stability are made by applying the transfer coefficient method,which provides a foundation for the prevention and improvement of the landslides.According to the study,when the action of different water level of the Three Gorges Reservoir or it suffers sustaining rainstorm,the landslide maybe collapses entirely.Meanwhile,all these calculations are consist with the stability prediction.
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备注/Memo
收稿日期:2006-4-11
作者简介:许国敏(1980- )，男，江西临川人，成都理工大学2004级硕士研究生，主要从事边坡防治、地下工程方面研究工作.