The expansive agent can enhance the impermeability and the cracking-resistance of concrete through the working of the compensation shrinkage of concrete produced by confined expansion when it is added to concrete.

  • 膨胀剂掺入到混凝土中,通过产生一定的限制膨胀,补偿混凝土的收缩,有利于提高混凝土的抗渗防裂。

  • 互联网摘选 2026-07-13 17:52:21

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