FRP筋混凝土界面疲劳性能的有限元分析

Highway Engineering(2017)

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Abstract
为研究纤维增强复合材料FRP(Fiber Reinforced Polymer)筋混凝土界面在疲劳荷载作用下的粘结性能,利用有限元软件ANSYS建立FRP粘结式锚具组装件模型,通过对模型施加疲劳荷载,得到各参数对组装件疲劳寿命的影响.研究结果表明,有限元分析结果与试验结果吻合较好,说明该有限元模型具有良好的可靠性.得到了锚固长度、应力水平以及应力幅值等对CFRP(Carbon Fiber Reinforced Polymer)筋在活性粉末混凝土RPC(Reactive Powder Concrete)中的粘结疲劳寿命的影响规律.
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