| 梁柱纤维模型在异形截面构件分析中的适用范围 |
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| 引用本文： | 黄宗明,王玉芳,陈名弟,杨溥.梁柱纤维模型在异形截面构件分析中的适用范围[J].重庆大学学报(自然科学版),2009,32(1):27-30. |
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| 作者姓名： | 黄宗明 王玉芳 陈名弟 杨溥 |
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| 作者单位： | 黄宗明,陈名弟,杨溥,HUANG Zong-ming,CHEN Ming-di,YANG Pu(重庆大学,土木工程学院,重庆,400030);王玉芳,WANG Yu-fang(重庆大学,土木工程学院,重庆,400030;重庆市设计院,重庆,400015)
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| 基金项目： | 国家自然科学基金，重庆市自然科学基金 |
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| 摘 要： | 选取剪跨比和肢高厚比这2个影响异形柱剪切效应的主要参量,在构件层次上以纤维模型梁柱单元和实体有限元模型得出的柱顶侧移误差为依据,对处于弹性阶段的L形、T形和十形柱分别基于不考虑和考虑剪切效应影响纤维模型分析的适用性进行了定量探讨,验证加入剪切效应影响纤维模型分析异形柱的正确性,并给出异形柱适用考虑剪切纤维模型梁柱单元分析的适用范围.
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| 关 键 词： | 纤维模型 剪切效应 异形柱 剪跨比 肢高厚比 |
Applicable range of fiber column beam element in analysis of specially shaped columns |
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| HUANG Zong-ming,WANG Yu-fang,CHEN Ming-di,YANG Pu.Applicable range of fiber column beam element in analysis of specially shaped columns[J].Journal of Chongqing University(Natural Science Edition),2009,32(1):27-30. |
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| Authors: | HUANG Zong-ming WANG Yu-fang CHEN Ming-di YANG Pu |
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| Institution: | 1.Department of Civil Engineering;Chongqing University;Chongqing 400030;P. R.China;2.Chongqing Architectural Design Institute;Chongqing 400015;P.R.China |
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| Abstract: | The span ratio and the ratio of section height to section thickness of column leg are selected,which mainly influence the shear effect of special-shaped columns.Based on error analysis of the displacement at the tip of the columns,the flexibility of a fiber model for L-shaped columns,T-shaped columns,and cross-shaped columns in the range of elasticity is studied.The columns are studied with and without shear effect.The correctness of the fiber model with the shear effect is shown,and the applicable range of... |
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| Keywords: | fiber element shear effect specially shaped columns span ratio ratio of height to thickness of column leg |
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