| 基于非线性有限元方法的复合土钉支护影响因素研究 |
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| 引用本文： | 闫志刚,赵玉成.基于非线性有限元方法的复合土钉支护影响因素研究[J].筑路机械与施工机械化,2012,29(3):43-46. |
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| 作者姓名： | 闫志刚 赵玉成 |
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| 作者单位： | 1. 石家庄铁路职业技术学院交通系,河北石家庄,050041
2. 石家庄铁道大学土木工程学院,河北石家庄,050043 |
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| 基金项目： | 河北省科技厅科学研究计划项目(11457215) |
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| 摘 要： | 利用非线性有限元方法,针对土钉支护体系的结构特征和施工过程,引入带转动自由度的Goodman接触面单元,并结合实例对水泥搅拌桩复合土钉支护体系进行了研究,得到了土钉、搅拌桩等相关设计参数的变化对基坑位移、土钉受力的影响规律.
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| 关 键 词： | 复合土钉支护 非线性有限元 搅拌桩 接触面单元 |
Research on Influence Factor of Composite Soil Nailing System Based on Nonlinear FEM |
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| YAN Zhi-gang
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ZHAO Yu-cheng.Research on Influence Factor of Composite Soil Nailing System Based on Nonlinear FEM[J].Road Machinery & Construction Mechanization,2012,29(3):43-46. |
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| Authors: | YAN Zhi-gang ZHAO Yu-cheng |
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| Institution: | 1.Department of Transportation,Shijiazhuang Institute of Railway Technology,Shijiazhuang 050041,Hebei,China 2.Shool of Civil Engineering,Shijiazhuang Tiedao University,Shijiazhuang 050043,Hebei,China |
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| Abstract: | Aimed at the structure features and construction process of soil nailing system,the Goodman interface unit with degree of freedom in rotation was introduced.Combined with actual projects,the composite soil nailing system was studied by means of nonlinear finite element method,and the influence laws of soil nail and mixing pile over pit displacement and force of soil nail were obtained. |
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| Keywords: | composite soil nailing system nonlinear FEM cement treated soil column interface element |
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