| 现浇混凝土薄壁管桩复合地基沉降简化计算研究 |
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| 引用本文： | 温世清,刘汉龙,高玉峰,费康.现浇混凝土薄壁管桩复合地基沉降简化计算研究[J].岩土力学,2004,25(10):1651-1653. |
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| 作者姓名： | 温世清 刘汉龙 高玉峰 费康 |
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| 作者单位： | 河海大学 岩土工程研究所，江苏 南京 210098 |
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| 摘 要： | PCC桩是一种主要应用于软土地基处理的刚性桩。以PCC桩复合地基为研究对象，基于PCC桩-土-垫层所组成的一个工作体系，考虑桩-土-垫层体系的工作特性及相互影响，对PCC桩进行分析提出了一种PCC桩复合地基模量计算方法，进而推导出PCC桩复合地基的桩土应力比、沉降简化计算公式。同时，运用工程实例进行验证。计算结果说明提出的解答是合理的，能够满足实际要求。
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| 关 键 词： | PCC桩复合地基 复合模量 桩土应力比 沉降 |
| 文章编号： | 1000-7598-(2004)10-1651-04 |
| 收稿时间： | 2003-04-28 |
Research on simplified calculation of settlement of cast-in-situconcrete thin-wall pipe pile composite foundation |
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| WEN Shi-qing,LIU Han-long,GAO Yu-feng,FEI Kang.Research on simplified calculation of settlement of cast-in-situconcrete thin-wall pipe pile composite foundation[J].Rock and Soil Mechanics,2004,25(10):1651-1653. |
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| Authors: | WEN Shi-qing LIU Han-long GAO Yu-feng FEI Kang |
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| Institution: | Research Institute of Geotechnical Engineering, Hohai University, Nanjing 210098, China |
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| Abstract: | The cast-in-situ concrete thin-wall pipe pile (PCC pile) is a kind of rigid pile applied mainly to soft foundation treatment. Based on the working performance and mutual influence of the system of PCC pile-soil-cushion, PCC pile composite foundation is discussed in elastic method. A new calculation method of composite modulus of the PCC pile composite foundation is developed. Furthermore, pile-soil stress ratio and settlement can be derived from the proposed method. And it is proved that the method is practicable and applicable in the field by a practical engineering. |
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| Keywords: | PCC pile composite foundation composite modulus pile-soil stress ratio settlement |
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