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着重研究采用硅灰裹石掺混合材法对混凝土抗氯离于渗透能力的影响。研究结果表明 :硅灰裹石掺混合材混凝土的抗氯离子渗透能力比普通混凝土提高 30倍 ,比同水灰比、同掺量双掺混合材混凝土提高 1倍以上。此外 ,对硅灰裹石掺混合材法提高混凝土的抗氯离子渗透能力的机理进行探讨。
Emphasis is placed on the influence of silica-wadding admixture on concrete’s resistance to chloride penetration. The results show that the resistance to chloride ion penetration of silica-wadded concrete is 30 times higher than that of ordinary concrete, which is more than double that of the same water-cement ratio and the same dosage of double-mixed concrete. In addition, the mechanism of improving resistance to chloride ion penetration of concrete by silicon-silica wadding admixture method was discussed.