摘要为确定更加科学合理的混凝土塑性损伤模型参数,通过对ABAQUS中CDP模型特点进行分析,结合FIB MC 2010中混凝土单轴受力特性提出CDP模型参数确定方法;同时依托既有文献试验实例建立数值模型进行损伤破坏分析并与试验结果进行对比。结果表明:根据FIB MC 2010中混凝土单轴力学特性确定ABAQUS中CDP模型参数可用于无腹筋钢筋混凝土结构损伤破坏的数值分析;在不考虑模型初始损伤情况下,相同加载位移(挠度)基于FIB MC 2010的数值模型分析结果比试验结果稍大。
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