| 考虑蠕变特性的滑坡稳定状态分析研究 |
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| 引用本文： | 谭万鹏,郑颖人,王凯.考虑蠕变特性的滑坡稳定状态分析研究[J].岩土工程学报,2010(Z2). |
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| 作者姓名： | 谭万鹏 郑颖人 王凯 |
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| 作者单位： | 后勤工程学院军事建筑工程系;重庆市地质灾害防治工程技术研究中心;重庆市高新岩土工程勘察设计院; |
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| 摘 要： | 岩土体的蠕变特性是影响滑坡变形和稳定状态的重要因素。进行滑坡稳定性分析,依据位移监测资料进行预警预报,都有必要考虑滑坡的蠕变特性。以重庆云阳凉水井滑坡工程为背景,采用考虑蠕变特性的强度折减法,从宏观观测现象分析、监测位移趋势分析和数值模拟分析3个方面,研究滑坡变形破坏机理。研究表明,通过对比监测位移–时间曲线和不同安全系数所对应的计算位移—时间曲线,定量判断滑坡稳定状态,结合定性经验分析,可准确进行预警预报,为工程决策提供重要参考。
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| 关 键 词： | 边坡工程 滑坡预报 蠕变 强度折减法 安全系数 |
Stable state of landslides considering creep properties |
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| TAN Wan-peng,ZHENG Ying-ren,Wang Kai.Stable state of landslides considering creep properties[J].Chinese Journal of Geotechnical Engineering,2010(Z2). |
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| Authors: | TAN Wan-peng ZHENG Ying-ren Wang Kai |
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| Affiliation: | TAN Wan-peng1,2,ZHENG Ying-ren1,Wang Kai3 (1.Dept.of Architecture & Civil Engineering,LEU,Chongqing 401311,China,2.Chongqing Geological Hazard Control Engineering Technology Research Center,Chongqing 400041,3.Chongqing High-tech Geotechnical Engineering Investigation and Design Institute,Chongqing 400016,China) |
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| Abstract: | Creep property of rock and soil is important for landslide deformation and stable state.And it is necessary to be considered for analyzing stable state and prediction of landslides by displacement monitoring resources.With the landslide project which lies on Yunyang County in Chongqing City of China,the strength reduce technology considering creep properties is employed to study landslide deformation mechanism through analysis on macro phenomenon observation,monitoring displacement trend and numeral computi... |
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| Keywords: | slope engineering landslide prediction creep strength reduce technique safe factor |
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