| 深厚软土中粉喷桩复合地基承载力和沉降的数值分析 |
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| 引用本文： | 蒯行成,杨海朋.深厚软土中粉喷桩复合地基承载力和沉降的数值分析[J].中南公路工程,2006,31(3):16-18,48. |
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| 作者姓名： | 蒯行成 杨海朋 |
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| 作者单位： | 湖南大学工程力学系,湖南长沙410082 |
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| 摘 要： | 粉喷桩复合地基是深厚软土地基加固处理的有效手段之一.采用数值分析方法对这种地基的承载力和沉降进行分析.分析中将粉喷桩复合地基加固区等效为均匀各向同性的介质,建立包括复合地基区域及周围软土区域的分析模型.通过改变桩长和布桩区域大小研究这种地基的加固效果.研究结果可以加深人们对粉喷桩复合地基加固机理的认识,为工程应用提供理论依据.
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| 关 键 词： | 粉喷桩 复合地基 地基承载力 沉降 |
| 文章编号： | 1002-1205（2006）03-0016-03 |
| 收稿时间： | 2006-03-28 |
| 修稿时间： | 2006-03-28 |
Numerical Analysis on Bearing Capacity and Settlement of Jet Power Pile Composite Foundation in Deep Soft Soil |
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| KUAI Xingcheng, YANG Haipeng.Numerical Analysis on Bearing Capacity and Settlement of Jet Power Pile Composite Foundation in Deep Soft Soil[J].Central South Highway Engineering,2006,31(3):16-18,48. |
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| Authors: | KUAI Xingcheng YANG Haipeng |
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| Institution: | Department of Engineering Mechanics, Hunan University, Changsha, Hunan, 410082 |
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| Abstract: | The jet power pile composite foundation is one of the effective methods for ground treatment of deep soft soil. This paper adopted the numerical method to analyze this foundation. In the analysis, the composite foundation region treated by jet power pile was equivalent to an uniform and isotropic medium and the analytical model including the composite foundation region and the surrounding soft soil was established. The treatment effects were studied through changing the length of piles and the range of pile disposition region, which could deepen the understanding of the treatment mechanism of jet power pile composite foundation and provide the theoretical basis for engineering practice. |
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| Keywords: | jet power pile composite foundation bearing capacity settlement |
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