摘要:针对预应力碳纤维复合材料板(CFRP板)加固的钢筋混凝土矩形截面梁,应用梁底面、粘结层间和CFRP板之间的变形协调条件,推导出了一个理论模型。应用该模型计算得到了预应力释放完毕状态下CFRP板的正应力以及粘结层间的剪应力沿梁跨长的分布,进而得到了该状态下CFRP板的预应力水平。随后将计算得到的CFRP板的预应力水平与试验结果进行对比,结果吻合良好。
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