| 微型桩复合地基沉降和动力特性研究 |
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| 引用本文： | 王丽艳,袁新明.微型桩复合地基沉降和动力特性研究[J].水利学报,2005,36(12):1492-1497. |
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| 作者姓名： | 王丽艳 袁新明 |
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| 作者单位： | 扬州大学,水利科学与工程学院,江苏,扬州,225009 |
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| 摘 要： | 本文通过小模型试验并借助大型有限元分析软件MARC对微群桩地基模型沉降特性进行数值模拟，找出了复合地基的位移场和应力场的一些基本规律，计算结果表明，微桩加固地基对减少沉降起到了显著作用。在此基础上，利用MARC程序对天然地基和微群桩复合地基进行地震动力时程分析，得到桩的加入有利于地基抗震的结论，为微群桩复合地基工程设计应用提供了依据。
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| 关 键 词： | 微群桩 天然地基 复合地基 位移 应力 时程动力响应 |
| 文章编号： | 0559-9350(2005)12-1492-06 |
| 收稿时间： | 11 4 2004 12:00AM |
| 修稿时间： | 2004年11月4日 |
Decline and dynamic characteristics of micro-piles reinforced foundation |
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| WANG Li-yan,YUAN Xin-ming.Decline and dynamic characteristics of micro-piles reinforced foundation[J].Journal of Hydraulic Engineering,2005,36(12):1492-1497. |
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| Authors: | WANG Li-yan YUAN Xin-ming |
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| Affiliation: | Yangzhou Unikversity, Yangzhou 225009, China |
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| Abstract: | The decline of micro-piles reinforced foundation was studied in model test and numerically simulated by using the software MARC of FEM.The results show that the micro-piles can remarkably reinforce the foundation and reduce the decline. On this basis,the MARC program is applied to analyze the temporal dynamic characteristics of pure soil foundation and micro-piles reinforced foundation.The comparison shows that the micro-piles are effective in elevating the earthquake resistance of foundation. |
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| Keywords: | micro-piles reinforced foundation decline temporal dynamic response earthquake resistance |
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