| 基于粘结的型钢轻骨料混凝土梁有限元分析 |
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| 引用本文： | 司马玉洲,张建文.基于粘结的型钢轻骨料混凝土梁有限元分析[J].南阳理工学院学报,2011,3(2):64-67. |
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| 作者姓名： | 司马玉洲 张建文 |
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| 作者单位： | 南阳理工学院土木工程系,河南南阳,473004 |
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| 基金项目： | 河南省青年骨干教师资助计划项目 |
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| 摘 要： | 为研究粘结滑移对型钢轻骨料混凝土梁受力性能的影响，对型钢轻骨料混凝土梁进行了非线性有限元模拟，并且和试验结果进行了比较。基于型钢和混凝土界面存在的粘结力，引入局部粘结滑移本构关系，对型钢应力分布、裂缝形态、荷载一挠度曲线进行了分析。分析中考虑了剪跨比、型钢放置情况等影响因素。分析结果表明：型钢轻骨料混凝土梁受力性能和型钢普通混凝土梁相似，随剪跨比增大，逐渐由斜剪破坏过渡到弯曲破坏。荷载一挠度曲线可明显地划分为三个阶段。考虑粘结的有限元分析结果和试验结果吻合较好，未考虑粘结的有限元计算承载力和刚度均比试验值大。
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| 关 键 词： | 型钢轻骨料混凝土梁 粘结 有限单元法 剪跨比 荷载一挠度曲线 |
FINITE ELEMENT ANALYSIS OF STEEL REINFORCED LIGHTWEIGHT CONCRETE BEAMS BASED ON BOND RELATIONSHIP |
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| SIMA Yu-zhou,ZHANG Jian-wen.FINITE ELEMENT ANALYSIS OF STEEL REINFORCED LIGHTWEIGHT CONCRETE BEAMS BASED ON BOND RELATIONSHIP[J].Journal of Nanyang Institute of Technology,2011,3(2):64-67. |
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| Authors: | SIMA Yu-zhou ZHANG Jian-wen |
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| Institution: | (Department of Civil Engineering,Nanyang Institute of Technology,Nanyang 473004,China) |
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| Abstract: | Nonlinear finite element simulation is conducted for steel reinforced lightweight concrete beams to investigate the bond-slip influence on their mechanical properties compared with the experimental results. The steel stress distribution, cracks form, load |
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| Keywords: | steel reinforced lightweight concrete beams bond finite element method shear span ratio load-deflection curve |
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