| 散体材料桩复合地基极限承载力计算 |
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| 引用本文： | 刘杰,张可能.散体材料桩复合地基极限承载力计算[J].岩土力学,2002,23(2):204-207. |
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| 作者姓名： | 刘杰 张可能 |
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| 作者单位： | 1. 株州工学院土木工程系,湖南,株州,412008
2. 中南大学资源环境与建筑工程学院,湖南,长沙,410083 |
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| 基金项目： | 株州市科委资助项目(No:200018) |
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| 摘 要： | 以土力学及弹塑性理论为基础，分析了散体材料桩的塑性应力分布。推导出了单桩极限承载力和单桩复合地基的极限承载力计算公式。得出了提高桩体材料的内摩擦角和桩周土对桩的径向围限力是提高散体材料桩复合地基承载力的有效途径的结论。给出了工程实例，验证了文中计算公式的实用性。
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| 关 键 词： | 碎石桩 承载力 接触压力 散体材料桩 复合地基 塑性应力 |
| 文章编号： | 1000-7598-(2002)02-0204-04 |
| 修稿时间： | 2001年4月19日 |
Calculation of ultimate bearing capacity of composite foundation on discrete material pile |
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| LIU Jie ,ZHANG Ke-neng.Calculation of ultimate bearing capacity of composite foundation on discrete material pile[J].Rock and Soil Mechanics,2002,23(2):204-207. |
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| Authors: | LIU Jie ZHANG Ke-neng |
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| Institution: | LIU Jie 1,ZHANG Ke-neng 2 |
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| Abstract: | Based on the soil mechanics and the elastoplastic theory.The distribution of the plastic stresses on the discrete material pile is analyzed.The Calculation formulas of the ultimate bearing capacity of the single pile and composite foundation are derived.It is showed that improving the internal friction angle of pile material and restrain force of radius direction are efficient way of improving bearing capacity of the composite foundation on the discrete material pile.Finally,an engineering example is discussed to test and verify these formulas. |
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| Keywords: | Stone pile bearing capacity Contacting pressure |
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