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首页> 外文期刊>Journal of materials in civil engineering >Experimental Investigation of Corroded Stud Shear Connectors Subjected to Fatigue Loading
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Experimental Investigation of Corroded Stud Shear Connectors Subjected to Fatigue Loading

机译：疲劳载荷作用下腐蚀的螺柱剪切连接器的实验研究

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摘要

An experimental investigation on corroded composite push-out specimens was performed to investigate the behavior of stud shear connectors subjected to fatigue loading. A total of 14 standard push-out specimens were tested under static and fatigue loading. A static push-out test was performed to obtain the ultimate strengths for reference. The expected corrosion rate of test specimens ranged from 0 to 50%. The main purpose of these tests was to determine the fatigue life and the reduction effect of the fatigue life caused by the corrosion. The effect of corrosion on the fatigue crack, load-slip curves, and failure modes were also studied. The test results were also compared with current Eurocode design predictions, which are only for a specimen without corrosion. The suitability of the Eurocode design equation for fatigue life of corroded composite push-out specimens was evaluated.
机译：对腐蚀的复合材料推出试件进行了实验研究，以研究承受疲劳载荷的螺柱剪切连接器的性能。在静态和疲劳载荷下总共测试了14个标准推出式样本。进行了静态推出试验，以获得极限强度供参考。试样的预期腐蚀率范围为0至50％。这些测试的主要目的是确定疲劳寿命以及由腐蚀引起的疲劳寿命的降低效果。还研究了腐蚀对疲劳裂纹，载荷滑移曲线和破坏模式的影响。还将测试结果与当前的Eurocode设计预测进行了比较，后者仅适用于无腐蚀的样品。评估了Eurocode设计方程对腐蚀的复合材料推出式试样的疲劳寿命的适用性。

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