碳化对海砂混凝土中氯离子扩散的影响Effects of Carbonation on Chloride Penetration in Sea Sand Concrete
巴光忠;苏卿;赵铁军;张连水;
摘要(Abstract)：
选取海阳海砂、淡化海阳海砂和河砂三种细骨料,分别制备强度等级为C30和C50的混凝土,进行加速碳化与氯离子侵蚀复合试验的研究,测出混凝土试块不同深度的水溶性自由氯离子含量.结果表明:海砂混凝土、淡化海砂混凝土在碳化与氯离子侵蚀复合作用下的破坏规律与河砂混凝土基本一致.碳化时间对各种混凝土中氯离子的扩散影响都很大.混凝土强度等级,海砂中固有的氯离子等因素也影响混凝土各深度的水溶性自由氯离子含量.
关键词(KeyWords)： 海砂;淡化海砂;碳化;氯离子含量
基金项目(Foundation): “十一五”科技支撑计划项目(2006BAJ02B04)
作者(Author): 巴光忠;苏卿;赵铁军;张连水;
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DOI:
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