摘要:基于ABAQUS的有限元模拟技术实现了对梁体底部采用纤维水泥基复合材料(Engineered Cementitious Composite,简称ECC)钢筋混凝土梁的100次,1000次,5000次疲劳荷载作用模拟,分析组合梁裂缝开展情况.本课题同时模拟尺寸参数与之相同的钢筋混凝土梁的模型。有限元分析数据表明,ECC组合梁能明显减少梁底部受拉区损伤程度,有利保护梁体内钢筋骨架,大大提高了混凝土梁的耐久性。基于有限元模型数值模拟结果,提出ECC混凝土组合梁抗疲劳设计建议。
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Acta Mathematicae Applicatae Sinica Journal of Genetics and Genomics Acta Biochimica et Biophysica Sinica Journal of Systems Engineering and Electronics Chinese Annals of Mathematics Series B Chinese Annals of Mathematics,Series B Frontiers of Information Technology Electronic Engineering Transactions of Nonferrous Metals Society of China