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引气混凝土的抗裂性能研究 被引量:2

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摘要 文中主要研究了引气剂及矿物掺合料等因素对混凝土早期开裂性能的影响。研究结果表明:掺入引气剂可延长混凝土开裂时间,随着含气量的增加,混凝土面板裂缝宽度和深度减小,即引气剂的掺入有利于混凝土早期抗裂性能提高,随着粉煤灰掺量的增加,混凝土早期抗裂性进一步得到改善,初始开裂时间得以延长。
出处 《低温建筑技术》 2014年第4期25-26,共2页 Low Temperature Architecture Technology
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