| 地下水对砂类土边坡稳定性的影响 |
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| 引用本文： | 张小成.地下水对砂类土边坡稳定性的影响[J].岩土工程技术,2014,28(5):257-260. |
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| 作者姓名： | 张小成 |
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| 作者单位： | 沈阳铁道勘察设计院有限公司,辽宁沈阳,110013 |
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| 摘 要： | 内蒙古地区冬季积雪厚,春季气温回升快,大量雪水浸入边坡及挡土墙墙背的细砂层中,由于上部护坡和下部挡墙的排水孔多数堵塞,地下水无法排出.融化雪水沿土坡表面产生渗流,导致边坡变形失稳.地下水位上升时,挡土墙墙后严重积水,按水土分算原则计算作用在挡墙上的水土压力增大,挡墙极易滑移.
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| 关 键 词： | 护坡 重力势挡土墙 渗流 稳定性系数 |
Effect of Groundwater on Sand Slope Stability |
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| Zhang Xiaocheng.Effect of Groundwater on Sand Slope Stability[J].Geotechnical Engineering Technique,2014,28(5):257-260. |
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| Authors: | Zhang Xiaocheng |
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| Institution: | Zhang Xiaocheng(Shenyang Railway Survey and DEsign Institute Co. Ltd,Shenyang 110013,l.iaoning, China) |
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| Abstract: | Inner Mongolia in winter snow is thick, the spring temperatures rise quickly, a lot of snow water in slope and retaining wall back in fine sand layer. Due to the drainage hole at the upper part of the lower slope and retaining wall most jam, water can not be discharged. Melting snow along the slope surface flow, resulting in instability of slope deformation. The rise of ground water level, serious water retaining wall, according to the principle of soil into account in calculating soil pressure on retaining wall, retaining wall is easy to slip. |
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| Keywords: | slope protection gravity retaining wall interstifial flow coefficient of stability |
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