| 强度折减有限元分析参数取值研究 |
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| 引用本文： | 史生志,蒋军,郑俊清,周路军,铁富忠. 强度折减有限元分析参数取值研究[J]. 低温建筑技术, 2011, 33(1): 59-61 |
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| 作者姓名： | 史生志 蒋军 郑俊清 周路军 铁富忠 |
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| 作者单位： | 浙江大学建筑工程学院; |
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| 摘 要： | 分析了强度折减有限元法的原理和存在的问题,指出在对材料的强度参数c和φ折减时,应按照一定规则对材料的刚度参数E和ν作相应调整,才能得到更合理的结果.推出了对于刚度参数E和ν作调整的方法,利用有限元软件对刚度参数做调整及不做调整两种情况进行计算对比.
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| 关 键 词： | 极限平衡法 强度折减 有限元方法 边坡稳定 |
ANALYSIS ON THE VALUES OF PARAMETERS FOR STRENGTH REDUCTION FINITE ELEMENT METHOD |
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| SHI Sheng-zhi,JIANG Jun,ZHENG Jun-qing,ZHOU Lu-jun,TIE Fu-zhong. ANALYSIS ON THE VALUES OF PARAMETERS FOR STRENGTH REDUCTION FINITE ELEMENT METHOD[J]. Low Temperature Architecture Technology, 2011, 33(1): 59-61 |
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| Authors: | SHI Sheng-zhi JIANG Jun ZHENG Jun-qing ZHOU Lu-jun TIE Fu-zhong |
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| Affiliation: | SHI Sheng-zhi,JIANG Jun,ZHENG Jun-qing,ZHOU Lu-jun,TIE Fu-zhong(College of Civil Engineering and Architecture,Zhejiang Univ.,Hangzhou 310058,China) |
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| Abstract: | This article analyzes the principle and some problems of strength reduction finite element method and points out that stiffness parameters E and v should be adjusted according to certain rules to obtain more reasonable results when material strength parameters c and φare discounted. A corresponding method to adjust the stiffness parameters E and v is presented and two different cases before and after adjustment of the stiffness parameters is compared by finite element software. |
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| Keywords: | limit equilibrium method strength reduction finite element method slope stability |
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