文摘:将大掺量活性细掺料和泵送剂加入混凝土拌合物中，两者的复合作用下，可使混凝土的工作性、耐久性,强度得到改善，并提高低强混凝土的可泵性。

• Abstract: By adding into concrete batch with greater proportion of active fine additive and pumping agent,reacted to the compound impact of the two substances,concrete workability,durability and strength could be improved.In addition,pumping-suitability of low strength concrete may be improved as well.