碳化混凝土硫酸钠盐结晶破坏
发布时间：2019-07-10 16:58
【摘要】：研究了不同水灰比、不同粉煤灰、矿渣掺量混凝土试件快速碳化10 d和20 d后,半浸泡在10%硫酸钠溶液中,在恒温恒湿环境下[(20±1)℃,相对湿度RH(60±5)%],混凝土试件水分蒸发区的破坏特征及其质量损失率随侵蚀时间的变化规律。结果表明:混凝土碳化深度越大,混凝土破坏越严重;用粉煤灰和矿渣取代水泥加剧混凝土碳化,导致混凝土破坏更严重;碳化混凝土中发生的硫酸钠结晶是混凝土发生破坏的原因。
[Abstract]:The failure characteristics and mass loss rate of concrete specimens with different water-cement ratio, different fly ash and slag content after rapid carbonation for 10 and 20 days were studied in 10% sodium sulfate solution at constant temperature and humidity [(20 卤1) 鈩，
本文编号：2512765
[Abstract]:The failure characteristics and mass loss rate of concrete specimens with different water-cement ratio, different fly ash and slag content after rapid carbonation for 10 and 20 days were studied in 10% sodium sulfate solution at constant temperature and humidity [(20 卤1) 鈩，
本文编号：2512765
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