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外加剂对高强混凝土塑性开裂的影响

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摘要 采用刀口约束平板法研究了外加剂(膨胀剂、减缩剂和内养护剂)对高强混凝土最大裂缝宽度和裂缝总面积的影响。结果表明单掺膨胀剂对塑性开裂的抑制作用较差,内养护剂在一定程度上提高了混凝土的抗裂性能,减缩剂的效果最好。
作者 李飞
出处 《工程与建设》 2015年第3期377-378,382,共3页 Engineering and Construction
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