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混凝土早期减缩抗裂材料对比试验研究 被引量:1

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摘要 采用自行设计的试验装置,研究了三种常用的混凝土早期减缩抗裂材料对混凝土早期收缩的影响。试验结果表明:在同水灰比试验条件下,减缩剂、膨胀剂、聚丙烯纤维均能在一定范围内降低混凝土的早期收缩,这可能是三种材料能改善混凝土早期收缩裂缝的重要原因;双掺聚丙烯纤维和膨胀剂可以有效提高单掺这两种材料的混凝土减缩率,提高比率达14%以上;而双掺聚丙烯纤维和减缩剂则不具有这种效果。
出处 《低温建筑技术》 2013年第11期18-20,共3页 Low Temperature Architecture Technology
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参考文献4

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