| 桩-网复合地基承载及变形特性的三维数值分析 |
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| 引用本文： | 王俊林,肖昭然,刘治国.桩-网复合地基承载及变形特性的三维数值分析[J].水运工程,2007(8):112-116. |
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| 作者姓名： | 王俊林 肖昭然 刘治国 |
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| 作者单位： | 1. 郑州大学环境与水利学院,河南,郑州,450001
2. 河南工业大学土木建筑学院,河南,郑州,450001 |
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| 摘 要： | 采用有限元程序,利用数值分析的方法,讨论了桩-网复合地基承载及变形特性。对不同荷载水平下复合地基中单桩荷载传递特性、桩间土的沉降、桩间土上的应力及桩土应力比的变化规律进行了分析;同时分析了复合褥垫层的变形模量以及分层地基中第一层土的物性参数对桩土应力比和复合地基中土表面沉降及差异沉降的影响。
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| 关 键 词： | 桩-网复合地基 承载特性 桩土应力比 数值分析 |
| 文章编号： | 1002-4972（2007）08-0112-05 |
| 收稿时间： | 2007-04-12 |
| 修稿时间： | 2007-04-12 |
Pile-net Composite Foundation Under 3-D Condition |
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| WANG Jun-lin,XIAO Zhao-ran,LIU Zhi-guo.Pile-net Composite Foundation Under 3-D Condition[J].Port & Waterway Engineering,2007(8):112-116. |
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| Authors: | WANG Jun-lin XIAO Zhao-ran LIU Zhi-guo |
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| Abstract: | Based on the software of finite element method(ANSYS 6.1),this paper discusses the bearing performances and deformation characteristics of pile-net composite foundation by numerical analysis.The loading transfer in composite foundation and the settlement and variation of stress of soil and stress ratio of pile-soil law are analyzed under different loading conditions.Meanwhile,it analyzes the influences of elastic modulus of the composite cushions and the physical parameters of the first layer among layered soils of ground on the stress ratio of pile-soil and the settlement and different settlement on soil surface. |
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| Keywords: | pile-net composite foundation bearing performances stress ratio of pile and soil numericalanalysis |
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