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在混凝土拌和物中掺入大剂量活性粉煤灰和适量的 FDN- P泵送剂 ,两者的复合作用使混凝土的工作性得以改善 ,耐久性、强度得到提高 ,低强混凝土的可泵性得以解决
Incorporation of large quantities of fly ash and appropriate amount of FDN-P pumping agent in the concrete mixes can improve the workability of the concrete, improve the durability and strength of the concrete, and improve the pumpability of the low-strength concrete Be resolved