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利用高钛重矿渣配制的C20混凝土耐久性研究 被引量:4

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摘要 通过碱集料活性、体积收缩变形、抗渗性、抗冻性、抗硫酸盐腐蚀、抗钢筋锈蚀、抗碳化等性能测定研究了高钛重矿渣混凝土的耐久性。结果表明:高钛重矿渣混凝土的耐久性优于或类似于矿渣粉煤灰高性能混凝土,利用高钛重矿渣用于制备的C20混凝土具有低的干燥收缩和自收缩;抗渗等级为6;28d碳化深度为40mm;C l-离子扩散系数D为1.421×10-12m2/s;硫酸盐侵蚀耐蚀系数为0.97和抗冻等级为F50。
出处 《四川建筑》 2008年第3期208-209,共2页 Sichuan Architecture
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