按照国际标准对新型仿钢丝聚丙烯合成长纤维增强高性能混凝土的工作度、含气量、强度及弯曲韧性进行了试验研究。
The experimental results for workability, air content, compressive strength and flexural toughness of modified macro polypropylene fiber reinforced high performance concrete are presented.
试验研究了含气量对碾压混凝土抗冻性的影响。
The effect of air content on the frost resistance of roller compacted concrete(RCC)is discussed.
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