自密实混凝土配合比设计方法研究

Study on mix design method of self-compacting concrete

综合分析国内现有的各种混凝土配合比设计方法,提出用参数法设计自密实混凝土配合比。在参数法中,参数α为粗骨料系数,β为砂拨开系数,γ为掺合料系数,它们主要提供拌合物的工作性能。水胶比W/B主要与混凝土硬化后的强度和耐久性有关。

After analysis all of the existing mix design methods,this paper proposes the parameter method for self-compacting concrete（SCC） mix design.In this method, the parameter α ,β and γ represents the modulus of coarse, fine aggregates and mineral admixture respectively,which provide the workability of SCC at fresh state, while the parameter W/B is mostly related with the strength and durability of SCC after hardened.