| 钢—混凝土工字梁桥剪力滞效应研究 |
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| 引用本文： | 李海峰.钢—混凝土工字梁桥剪力滞效应研究[J].山西交通科技,2013(3):56-58. |
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| 作者姓名： | 李海峰 |
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| 作者单位： | 山西省公路局吕梁分局,山西吕梁033000 |
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| 摘 要： | 以一片三跨钢—混凝土工字连续梁为研究对象,基于ANSYS平台,结合壳单元与实体单元对该钢—混凝土工字连续梁进行了剪力滞效应分析。参考美国NCHRP_rpt_543钢—混凝土工字梁研究报告中对钢—混凝土工字梁剪力滞系数的定义,研究了各个荷载工况下的钢—混凝土工字梁剪力滞系数的分布及变化规律。分析结果表明:钢—混凝土工字梁的宽跨比(B/L)对其剪力滞系数的影响最大,其次是桥面板上所施加荷载的形式。
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| 关 键 词： | 钢—混凝土工字梁 ANSYS 剪力滞效应 剪力滞系数 |
The Research on the Shear Lag Effect of Steel-concrete I-beam Bridge |
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| LI Hai-feng.The Research on the Shear Lag Effect of Steel-concrete I-beam Bridge[J].Shanxi Science & Technology of Communications,2013(3):56-58. |
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| Authors: | LI Hai-feng |
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| Institution: | LI Hai-feng(Luliang Branch of Shanxi Provincial Highway Bureau,Luliang,Shanxi 033000,China) |
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| Abstract: | This paper took a piece with three-span continuous steel-concrete I-beam as the research object,analyzed the shear lag effect based on the platform ANSYS with shell element and solid element.Under the different load conditions,the paper studied the distribution and change rule of steel-concrete I-beam shear lag coefficient. |
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| Keywords: | steel-concrete I-beam ANSYS shear lag effect shear lag coefficient |
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