基于数值试验的FRP约束混凝土柱轴压性能研究

来源 :第二届中国国际复合材料科技大会 (CCCM-2) | 被引量 : 0次 | 上传用户:liuzhuoran
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  纤维增强复合材料(FRP)约束混凝土柱(FRP confined concrete column,FCCC)具有承载力高、延性好等优点,目前以构件试验为主要研究方法,很难对其截面尺寸、混凝土强度等级以及FRP层数等参数进行全面研究。本文采用数值试验的方法对上述各参数进行了详细研究。首先建立了基于混凝土Willam-Warnke五参数破坏准则的有限元模型,并通过现有试验结果验证了该模型的正确性;然后采用该有限元模型研究了截面直径为150mm-750mm、混凝土强度等级为C30-C80以及FRP层数为0-5层的不同FRP约束混凝土柱的轴压性能。
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