| 等效应力法在天花板双曲拱坝应力分析中的应用 |
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| 引用本文： | 朱颖儒,张燎军,张景奎,李帅.等效应力法在天花板双曲拱坝应力分析中的应用[J].水电能源科学,2011,29(4). |
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| 作者姓名： | 朱颖儒 张燎军 张景奎 李帅 |
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| 作者单位： | 河海大学水利水电学院,江苏南京,210098 |
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| 摘 要： | 针对天花板碾压混凝土拱坝应力集中问题,基于拱坝设计规范,对计算结果进行等效应力处理,研究了拱坝等效应力计算方法、编制了相关计算程序,根据天花板双曲拱坝的构造和受力特点构建了三维有限元数值仿真模型,并采用ADINA软件进行应力计算。结果表明,较好解决了天花板拱坝局部应力集中问题,为工程设计提供了参考依据。
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| 关 键 词： | 天花板拱坝 有限元 等效应力 梁向应力 拱向应力 |
Application of Equivalent Stress Method to Analysis of Tianhuaban Arch Dam Stress |
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| ZHU Yingru,ZHANG Liaojun,ZHANG Jingkui,LI Shuai.Application of Equivalent Stress Method to Analysis of Tianhuaban Arch Dam Stress[J].International Journal Hydroelectric Energy,2011,29(4). |
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| Authors: | ZHU Yingru ZHANG Liaojun ZHANG Jingkui LI Shuai |
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| Affiliation: | ZHU Yingru,ZHANG Liaojun,ZHANG Jingkui,LI Shuai(College of Water Conservancy and Hydropower,Hohai University,Nanjing 210098,China) |
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| Abstract: | According to the design standard of arch dam,equivalent processing is applied to the finite element stress calculation results in order to solve the problem of stress concentration of Tianhuaban arch dam.In this paper,equivalent stress calculation method is studied and the related computational procedure is compiled.Based on the structural and stress characteristics of Tianhuaban arch dam,the three-dimensional FEM analysis model is established and the stress is calculated by the nonlinear structure analysis... |
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| Keywords: | Tianhuaban arch dam finite element method equivalent stress hoop stress arch stress |
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