| 变刚度群桩基础工作性状数值分析 |
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| 引用本文： | 钱晓丽.变刚度群桩基础工作性状数值分析[J].南京工程学院学报(自然科学版),2008,6(2):32-37. |
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| 作者姓名： | 钱晓丽 |
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| 作者单位： | 福建工程学院土木工程系,福建,福州,350007 |
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| 基金项目： | 福建省青年科技人才创新基金，福建省教育厅科研项目，福建工程学院引进人才科研启动项目 |
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| 摘 要： | 在室内桩基础模型试验的基础上，用三维有限元的方法，考虑了土体的非线性（Drucker-Prager模型）力学性能，对模型桩进行了六大组的数值模拟试验．从沉降、桩顶反力、桩土承担荷载比等几方面验证了变刚度群桩基础能减小桩顶反力差值，从而减小差异沉降的特性．为理论分析变刚度桩的工作性状提供了参考．
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| 关 键 词： | 变刚度 数值模拟 桩顶反力 差异沉降 |
Numerical Analysis of Characters of Varying Rigidity Pile Group |
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| QIAN Xiao-li.Numerical Analysis of Characters of Varying Rigidity Pile Group[J].Journal of Nanjing Institute of Technology :Natural Science Edition,2008,6(2):32-37. |
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| Authors: | QIAN Xiao-li |
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| Institution: | QIAN Xiao-li(Dept.of Civil Engineering,Fujian University of Technology,Fuzhou 350007,China) |
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| Abstract: | On the basis of model tests of indoor piles,six types of numerical tests were undertaken by following three-dimensional finite element analysis which took into consideration the nonlinear mechanical characteristics(DruckerPrager Model).It turned out that varying rigidity pile group is able to reduce the pile-soil stress ratio in terms of settlement,pile-stress ratio and pile-soil load ratio,thus reducing differential settlement.This serves as helpful reference for a theoretical analysis of working propertie... |
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| Keywords: | varying rigidity numerical simulation distributing of reacting force above pile differential settlement |
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