| 板岩路堑边坡开挖扰动效应分析 |
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| 引用本文： | 李凯,傅鹤林,郭明香,陈芬. 板岩路堑边坡开挖扰动效应分析[J]. 衡阳工学院学报, 2010, 0(1): 92-97 |
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| 作者姓名： | 李凯 傅鹤林 郭明香 陈芬 |
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| 作者单位： | [1]广东省公路管理局路桥管理中心,广东广州510008 [2]中南大学土木建筑学院,湖南长沙410075 [3]湖南省高速公路管理局,湖南长沙410001 |
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| 基金项目： | 国家自然科学基金资助项目（50878213）; 交通部重点基金资助项目（2003-318-802-01）; 湖南省交通厅基金资助项目（200506）; 衡阳市科技局科研基金资助项目（2008HKJ03） |
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| 摘 要： | 板岩路堑高陡边坡,在开挖施工过程中可能产生的危害性较大.对其不同开挖阶段的扰动效应的分析研究,是一个极有价值的课题,能够为工程的设计、施工提供一定的参考和依据.本文以某高速三合同段的高路堑板岩边坡为依托工程,对天然含水率下的坡体的开挖扰动效应进行极限平衡分析和数值模拟分析.通过研究,揭示了不同工况下边坡的稳定性变化过程,为合理安排开挖工序,选择合理的防护方案,提供了技术参考.
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| 关 键 词： | 板岩边坡 开挖 扰动效应 稳定性 |
Analysis on Excavation Disturbance Effect for Cutting Slate Slope |
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| LI Kai,FU He-lin,GUO Ming-xiang,CHEN Fen. Analysis on Excavation Disturbance Effect for Cutting Slate Slope[J]. , 2010, 0(1): 92-97 |
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| Authors: | LI Kai FU He-lin GUO Ming-xiang CHEN Fen |
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| Affiliation: | 1.Highway Authority of Guandong Province,Guanzhou,Guandong 510008,China;2.School of Civil Engineering and Architecture,Central South University,Changsha,Hunan 410075,China;3.Highway Authority of Hunan Province,Changsha,Hunan 410001,China) |
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| Abstract: | The high and steep slate slope is dangerous in the course of excavation and construction.The analysis on the disturbance effect can provide some useful guidance to slope design and construction.Relying on the project of the high and steep cutting slate slope in the third contract section of certain expressway,the influences of every excavating stage with nature moisture content are calculated by limit balance method and numerical simulation method.By analysis,the slope stability of different stages are disclosed,which will provide some useful clues for arranging construction schedules and selecting slope protection method. |
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| Keywords: | slate slope excavation disturbance effect stability |
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