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粉煤灰混凝土抗硫酸钠溶液侵蚀性的研究

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摘要 通过硫酸钠溶液侵蚀作用下的粉煤灰混凝土室内模拟试验,研究了不同强度等级和不同粉煤灰掺量的混凝土在硫酸钠溶液中(浓度为0%、10%、15%、25%和35%)的耐久性。试验结果表明,粉煤灰的掺入,改善了混凝土抗硫酸钠腐蚀性能。粉煤灰的掺量和硫酸钠浓度对混凝土的腐蚀起主导作用,粉煤灰形态效应和高效减水剂作用为主要原因。此外,对混凝土腐蚀的机理进行了分析。
出处 《科技创新导报》 2010年第20期55-55,共1页 Science and Technology Innovation Herald
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