| 考虑材料非线性的钢筋混凝土截面应力计算方法探讨 |
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| 引用本文： | 沈小俊,刘俊强,谢应爽.考虑材料非线性的钢筋混凝土截面应力计算方法探讨[J].公路交通技术,2008(4):39-41. |
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| 作者姓名： | 沈小俊 刘俊强 谢应爽 |
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| 作者单位： | 重庆市交通委员会基本建设工程质量监督站,重庆,400060 |
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| 摘 要： | 针对偏心受压构件进行研究,通过内力平衡关系确定截面开裂后应力重分布状态,并考虑混凝土非线性本构关系,避开了混凝土开裂后截面刚度以及中性轴高度难以计算等问题。针对形状较为复杂的截面研究条分法和积分法,对比其数值计算稳定性,并结合工程实际分析该方法的应用。
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| 关 键 词： | 偏心受压构件 混凝土开裂 内力平衡 应力重分布 |
Discussion on Calculation Methods for Steel Bar Concrete Sectional Stress by Considering Nonlinearity of Materials |
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| SHEN Xiaojun,LIU Junqiang,XIE Yingshuang.Discussion on Calculation Methods for Steel Bar Concrete Sectional Stress by Considering Nonlinearity of Materials[J].Technology of Highway and Transport,2008(4):39-41. |
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| Authors: | SHEN Xiaojun LIU Junqiang XIE Yingshuang |
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| Institution: | SHEN Xiaojun, LIU Junqiang, XIE Yingshuang |
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| Abstract: | This paper carries on the investigation against eccentric compression members,determines the re-distribution state of stress after section crack via the equalized relationship of the internal forces and also considers the non-linear relation between the concrete itself and its member,thus avoiding the problems that the sectional rigidness and neutral axis height are difficult to calculate after the crack of concrete.The slice method and integral method are studied aiming at the sections with rather complica... |
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| Keywords: | eccentric compression member concrete crack internal force equilibrium stress re-distribution |
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