| 盾构隧道预应力管片的两维有限元数值模拟与分析 |
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| 引用本文： | 于宁,白廷辉,朱合华.盾构隧道预应力管片的两维有限元数值模拟与分析[J].地下工程与隧道,2008(4):8-11. |
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| 作者姓名： | 于宁 白廷辉 朱合华 |
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| 作者单位： | [1]上海申通地铁集团有限公司 [2]同济大学 |
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| 摘 要： | 针对预应力混凝土管片这一新型的盾构隧道衬砌结构进行了模型试验研究，介绍了利用有限元方法进行模拟计算的过程，采用不同的接头力学模型对其整环试验进行了两维模拟，在与试验结果分析比较的基础上，得出合适的模型参数，为预应力管片用于设计和施工奠定了基础。
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| 关 键 词： | 盾构隧道 预应力管片 模型试验 整环试验 两维有限元模拟 预应力度 |
Two-dimensional FEM Numerical Simulation and Analysis on Prestressed Segment of Shield Tunnel |
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| Yu Ning Bai Tinghui Zhu Hehu.Two-dimensional FEM Numerical Simulation and Analysis on Prestressed Segment of Shield Tunnel[J].Underground Engineering and Tunnels,2008(4):8-11. |
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| Authors: | Yu Ning Bai Tinghui Zhu Hehu |
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| Abstract: | Model test is made for a new type lining structure,i.e.prestressed segment of shield tunnel.The whole process of FEM calculation is presented.Two-dimensional FEM numerical simulation was made for the full ring test with regard to different joint stress model.Then,proper parameters were achieved for models based on the comparison of test results,which has laid a solid foundation for the design and construction of prestressed segment. |
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