【摘要】 采用了同时添加粉煤灰和两种减水剂的三掺方法制备混凝土，并对其各项性能，尤其是抗渗性能进行了研究。试验结果表明，采用５２５普通硅盐水泥，采用三掺方法，可制得强度４９．８ＮＰａ，抗渗标号５３１，抗蚀系数１．２３的混凝土。本文还初步探讨了该混凝土的抗渗透机理。更多还原

【Abstract】 Concrete is made by fly ash and two kinds ofwater reducer,and its performance is studied. Testingresult indicating,concrete can be made by 525# Port-land cement with the way of mixing three substance,and it has the flowing parameter: strength is 49.8MPa,impervious marker is S31,cormsion resistance cieffuc-cent is 1.23.更多还原