| 考虑K0固结或渗流与变形耦合的软土基坑工程二维数值模拟 |
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| 引用本文： | 陈林靖,戴自航,刘志伟. 考虑K0固结或渗流与变形耦合的软土基坑工程二维数值模拟[J]. 铁道科学与工程学报, 2011, 8(1): 39-47 |
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| 作者姓名： | 陈林靖 戴自航 刘志伟 |
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| 作者单位： | 1. 福州大学岩土工程研究所,福建,福州,350108
2. 福建省电力公司,福建,福州,350003 |
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| 基金项目： | 福建省自然科学基金重点资助项目(D0720001); 福州大学科研启动基金资助项目(022279) |
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| 摘 要： | 在大型有限元通用软件ABAQUS的平台上进行了邓肯-张模型用户材料子程序的开发,首先采用平面应变单元、二维梁单元和二维桁架单元考虑接触相互作用的耦合有限元法,时福州市一典型软土基坑工程按实际分步开挖和支护过程进行了二维数值模拟"目标试验".模拟过程中土体分别采用了K<,0>固结和正常固结试样的邓肯-张模型及莫尔-库仑理...
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| 关 键 词： | K0固结 渗流耦合效应 邓肯-张模型 总应力分析 有效应力分析 |
2D numerical simulation of considering K_0 consolidation and coupling of deformation and seepage in soft soil excavation engineering |
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| CHEN Lin-jing , DAI Zi-hang , LIU Zhi-wei. 2D numerical simulation of considering K_0 consolidation and coupling of deformation and seepage in soft soil excavation engineering[J]. Journal of Railway Science and Engineering, 2011, 8(1): 39-47 |
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| Authors: | CHEN Lin-jing DAI Zi-hang LIU Zhi-wei |
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| Affiliation: | CHEN Lin-jing1,DAI Zi-hang1,LIU Zhi-wei2(1.Institute of Geotechnical Engineering,Fuzhou University,Fuzhou 350108,China,2.Fujian Electric Power Company Limited,Fuzhou 350003,China) |
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| Abstract: | The Duncan-Chang constitutive model was developed by using user subroutine in ABAQUS which is a general-purpose finite element analysis software.According to the foundation pit engineering example with soft soils in Fuzhou city,the actual construction processes of the excavating and retaining structures were simulated by 2D nonlinear finite element numerical simulation object tests with plane strain elements,two dimensional beam elements and two dimensional truss elements using coupling finite element metho... |
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| Keywords: | K0 consolidation coupling seepage Duncan-Chang's model the total stress analysis the effective stress analysis |
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