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桥面铺装层是桥梁行车体系的重要组成部分,它对桥梁耐久性,保证行车安全、舒适度以及提高经济效益和社会效益有着极其重要的作用。文章阐述了微膨胀剂聚丙烯纤维在提高桥面铺装混凝土的抗裂性、抗渗性、抗冲击性,增加混凝土的韧性的作用。
Deck pavement is an important part of the driving system of the bridge. It plays an extremely important role in bridge durability, driving safety, comfort and economic and social benefits. The article expounds the effect of micro expansive polypropylene fiber on improving the crack resistance, impermeability and impact resistance of concrete for bridge deck paving and increasing the toughness of concrete.