By uses of Handan raw materials, this paper studies the influence of coarse aggregate limiting grain size, water-binder ratio, fly ash replacement, sand-total aggregate ratio on the strength and workability of concrete prepared with low water-binder ratio
By uses of Handan raw materials, this paper studies the influence of coarse aggregate limiting grain size, water-binder ratio, fly ash replacement, sand-total aggregate ratio on the strength and workability of concrete prepared with low water-binder ratio
摘要本试验采用邯郸当地的混凝土原材料,利用正交设计方法,试验研究和分析了粗骨料最大粒径、水胶比、粉煤灰掺量、砂率对低水胶比混凝土的强度及和易性的影响。