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The results show that polyacryamide can not only effectively enhances flexural strength, flexural fatigue property, flexural toughness and impingement toughness, but also decreases the ratio of compressive strength to flexural strength.

结果表明,聚丙烯酰胺对提高混凝土的抗折强度、弯曲疲劳特性、弯曲韧性和冲击韧性有显著作用,并可降低压折比。

Relevant test and analysis show that polyacrylamide can not only effectively enhances flexural strength,bond strength,flexural toughness and abrasion resistance,but also decreases the ratio of compressive strength to flexural strength,permeability and shrinkage.

结果表明 :聚丙烯酰胺对提高抗折强度、粘结强度、弯曲韧性和抗磨性有显著作用 ,并可降低压折比、渗透性和收缩性。

Relevant test and analysis show that polyacryamide can not only effectively enhances flexural strength , bond strength and flexural toughness, but also decreases the ratio of compressive strength to flexural strength.

结果表明聚丙烯酰胺对提高抗折强度、粘结强度和弯曲韧性有显著作用 ,并可降低压折