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预应力FRP筋混凝土梁在低周反复荷载下的恢复力模型

Keywords: FRP筋,恢复力模型,预应力混凝土,低周反复荷载

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Abstract:

作为一种新型建筑材料,FRP具有轻质、高强、耐腐蚀等优点,非常适合作为预应力筋材料.通过4根预应力FRP筋混凝土梁在低周反复荷载下的试验研究,根据预应力FRP筋混凝土梁在低周反复荷载下滞回曲线的特点,提出了适合于预应力FRP筋混凝土梁的弯矩-曲率恢复力模型,并与试验结果进行了比较,计算模型与试验结果吻合良好。

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