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首页> 外文会议>International Structural Engineering and Construction Conference(ISEC-03); 20050920-23; Shunan(JP) >Fundamental study on shear strength of corroded plate girder web
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Fundamental study on shear strength of corroded plate girder web

机译：锈蚀板梁腹板抗剪强度的基础研究

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In this study, the non-linear finite element analyses of rectangular plates, which used actual corrosion surface data, were performed for the shear strength of corroded web. These analytical results were compared with the experimental results of shear-loading test for corroded plate girder. Finally, the representative thickness to estimate the shear strength and the ultimate behavior of the corroded web was discussed from the experimental and analytical results. The main conclusions are as follows: (1) the stress distribution and buckling mode for corroded web in ultimate state differ from those for corrosion-free web. This is caused by stress concentration with surface irregularities. The corrosion of web deteriorates the maximum shear strength of the plate girder, (2) from the comparison of experimental and analytical results, the shear strength of corroded plates can be estimated simply by using only average thickness of web.
机译：在这项研究中，对矩形板的非线性有限元分析（使用实际腐蚀表面数据）进行了腐蚀腹板的抗剪强度研究。将这些分析结果与锈蚀板梁的剪力试验的试验结果进行了比较。最后，从实验和分析结果中讨论了代表厚度以评估抗腐蚀腹板的剪切强度和极限行为。主要结论如下：（1）腐蚀状态下的腹板与无腐蚀腹板的应力分布和屈曲模式不同。这是由于表面不规则的应力集中所致。腹板的腐蚀会破坏板梁的最大抗剪强度，（2）从实验和分析结果的比较来看，仅使用腹板的平均厚度即可简单地估计出腐蚀的板的抗剪强度。

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