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为了能够更好地大量利用矿渣、钢渣制备高强建筑材料,实验采用灰色关联分析方法研究了矿渣、钢渣的粒度分布对大掺量矿渣、钢渣胶凝体系抗压强度的影响.矿渣和钢渣掺量分别占胶凝材料总质量的50%和30%,水胶比为0.34.研究表明:粒度小于8.39μm的矿渣、钢渣颗粒对其胶凝体系3 d和28 d抗压强度均起到增强作用,大于8.39μm的矿渣、钢渣颗粒对抗压强度起到削弱作用.为了提高大掺量矿渣、钢渣胶凝体系28d抗压强度,应当主要增加5.03～8.39μm矿渣、钢渣颗粒数量.
In order to make better use of slag and slag in the preparation of high-strength building materials, the influence of particle size distribution of slag and steel slag on the compressive strength of high-volume slag and slag cementing system was studied by using gray correlation analysis method. Respectively, accounting for 50% and 30% of the total mass of the cementitious materials and a water-cement ratio of 0.34. The results show that the slag and steel slag particles with a particle size smaller than 8.39μm have an enhancement on the compressive strength of the gelling system for 3 d and 28 d , The slag larger than 8.39μm, the steel slag particles weaken the compressive strength.In order to improve the 28d compressive strength of the large amount of slag and steel slag gelling system, the amount of slag and slag particles of 5.03 ~ 8.39μm should be mainly increased.