利用吸水性树脂吸水膨胀、密实孔隙、截断侵蚀性介质传输路径的新方法,研究了砂浆经原位合成吸水性树脂处理前后其内部预埋钢筋的腐蚀行为.实验以氯离子渗透系数、氯盐加速腐蚀条件下钢筋腐蚀电位及极化电流密度的动态变化评定了该方法的可行性.结果表明:砂浆经原位合成吸水性树脂表层处理后,氯离子渗透系数和钢筋腐蚀速率明显减小.
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