| 深基坑预应力锚杆柔性支护的非线性有限元分析 |
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| 引用本文： | 朱亚林,孔宪京,邹德高,贾金青.深基坑预应力锚杆柔性支护的非线性有限元分析[J].岩土力学,2005,26(2):323-327. |
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| 作者姓名： | 朱亚林 孔宪京 邹德高 贾金青 |
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| 作者单位： | 大连理工大学 海岸和近海工程国家重点实验室，辽宁 大连 116024 |
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| 摘 要： | 运用非线性有限元方法，对一种新型的预应力锚杆柔性支护技术进行了数值分析。基于反映预应力锚杆柔性支护机理模型，对其力学性能进行了研究，并与两种不同间距的土钉支护进行了类比。结果表明：对变形要求严格时使用该种预应力锚杆柔性支护可以更有效地控制变形。
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| 关 键 词： | 基坑支护 预应力锚杆 位移与变形 非线性有限元 |
| 文章编号： | 1000-7598-(2005)02-0323-05 |
| 收稿时间： | 2003-11-17 |
| 修稿时间： | 2003年11月17 |
Nonlinear finite element analysis of prestressed anchor flexible retaining for deep excavation |
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| ZHU Ya-lin,KONG Xian-jing,ZOU De-gao,JIA Jin-qing.Nonlinear finite element analysis of prestressed anchor flexible retaining for deep excavation[J].Rock and Soil Mechanics,2005,26(2):323-327. |
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| Authors: | ZHU Ya-lin KONG Xian-jing ZOU De-gao JIA Jin-qing |
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| Institution: | State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China |
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| Abstract: | A new kind of excavation support technology, pretressed anchor flexible retaining method, is numerically analyzed using nonlinear finite element. The model for prestressed anchor flexible retaining is established to study its mechanical performance. Also, the comparison of two other kinds of different spacings soil nailing is proceeded. The result indicates that the prestressed anchor flexible retaining method can control deformation more effectively for the strict deformation requisition. |
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| Keywords: | retaining for excavation prestressed anchor displacement and deformation nonlinear finite element |
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