早龄期玄武岩纤维自密实混凝土的碱腐蚀性能

Study of Alkali Corrosion Resistance of Basalt Fiber Reinforced Self-Compacting Concrete in Early Age

为研究早龄期玄武岩纤维自密实混凝土的耐碱腐蚀性能,对养护龄期分别为3 d和14 d的纤维混凝土试件进行了不同程度的腐蚀并测定了其抗压强度和腐蚀系数K,结果表明:碱溶液对早龄期自密实混凝土的强度起到了抑制作用,而掺入一定量的玄武岩纤维能改善早龄期自密实混凝土的耐碱性能.

In order to study the alkali corrosion resistance of basalt fiber reinforced self-compacting concrete in early age, the fiber concrete specimens of curing age of 3 d and 14 d were corroded by different degree, and the compressive strength and corrosion coefficient were determined. The results show that the alkali solution inhib- its the strength development of the self-compacting concrete in early age, and the incorporation of a certain a- mount of basalt fiber can improve alkali resistant performance of self-compacting concrete in early age.