| 基于土拱效应的抗滑桩与护壁桩的桩间距分析 |
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| 引用本文： | 贾海莉,王成华,李江洪.基于土拱效应的抗滑桩与护壁桩的桩间距分析[J].工程地质学报(英文版),2004,12(1):98-103. |
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| 作者姓名： | 贾海莉 王成华 李江洪 |
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| 作者单位： | 西南交通大学土木工程学院,成都,610031;中国科学院-水利部成都山地灾害与环境研究所,成都,610041 |
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| 基金项目： | 中国科学院知识创新项目 (编号 :KJCX2 -SW -L1-6) |
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| 摘 要： | 抗滑桩与护壁桩分别在滑坡治理和基坑支护中发挥着巨大的作用 ,其实施正是利用了土中的成拱效应 ,然而传统桩的设计虽考虑土拱效应的存在 ,但桩间距确定理论与方法并未建立起来。本文首先基于土体的极限平衡条件对滑坡推力作用下的土体中的成拱作用进行研究 ,得出了抗滑桩的最大桩间距公式 ,并以某一具体工程为例 ,对该最大桩间距的物理意义和可用性进行了讨论。在此基础上 ,给出了在考虑土拱效应的情况下合理桩间距的确定方法 ,并以此为据 ,对边坡加固设计提出一些建议.
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| 关 键 词： | 抗滑桩 土拱效应 最大桩间距 合理桩间距 |
| 文章编号： | 1004-9665/2004/12(01)-0098-06 |
| 收稿时间： | 2002-10-20 |
ANALYSIS OF PILE SPACING BETWEEN ANTI -SLODING PILES AND PETAINING PILES IN ACCORDANCE WITH SOIL ARCHING EFFECT |
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| Institution: | 1.School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031;2.Chengdu Institute on Mountain Hazards and Environment, Chinese Academy of Science &|Ministry of Water Conservancy, Chengdu 610041;3.The 5th Engineering Department of China Water Conservancy &|Hydropower, Chengdu 610061 |
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| Abstract: | Anti-sliding pile are used to stabilize slopes and to control landslide for a long history. It is because of the soil arching effect between the piles that can work effectively. According to the limit equilibrium of the soil mass,the horizontal soil arching effect between the cylindrical anti-sliding piles in the earth is studied and the formula for largest spacing between the piles is proposed. Then, through a case study, the physical meanings and the feasibility of the largest spacing between the piles are discussed. Then the suitable spacing between the piles is proposed in consideration of the soil arching effect. Finally, Some useful suggestions for the slope engineering designing are also proposed in the paper. |
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| Keywords: | Anti-sliding pile Soil arching effect The largest spacing between piles Suitable spacing between piles |
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