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外部硫酸盐侵蚀作用后混凝土的侵蚀特征研究

Study of the Erosion Characteristics of Concrete after External Sulfate Attack
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摘要 通过逐层分析的方法对硫酸盐侵蚀后混凝土的侵蚀产物进行了定性研究。研究表明,在5%Na2SO4溶液干湿循环作用后,混凝土的损伤程度由表及里逐渐降低;石膏广泛存在于混凝土表层,表层下方存在大量石膏和极少量钙矾石,内部区域石膏和钙矾石共存。石膏是硫酸钠侵蚀最主要的产物,是导致混凝土表层粉化和胶凝特性完全丧失的主要原因。
作者 施荣 郭宝峰
出处 《粉煤灰》 2015年第5期44-46,共3页 Coal Ash China
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参考文献5

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二级参考文献8

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