分析了PVA纤维水泥基复合材料在盐冻环境下的损伤原理及特性,以快速盐冻试验下实测数据为基础,验证了基于损伤原理提出的混凝土冻融抛物损伤模型,并基于抛物模型对盐冻环境下PVA纤维水泥基复合材料进行了寿命预测。
The damage principles and characteristics of the polyvinyl alcohol(PVA) fiber cementitious composite material under salt frozen environment are analyzed.Based on measured data of frozen test,the concrete freezing-thaw parabola damage model is verified by damage principles.Furthermore,it makes the life prediction aimed at the PVA fiber cementitious composite material under salt frozen environment based on the parabola model.