Previous studies on concrete have identified silica fume (SF) as the most effective supplementary material, whereas fly ash (FA) and slag have been identified as economical materials with long term strength potential. Development of blended cement mortar referred to as blended mortar (BM) requires similar assessment. The present study explores the application of Alccofine (AL) as supplementary material and compares its performance with conventional materials namely SF, FA and ground granulated blast furnace slag (GGBS). The mortar specimens with binder to fine-aggregates (b/f) ratio of 1:2 are prepared at water to binder (w/b) ratios of 0.4 and 0.35. The strength values and stress-strain curve for control and BM specimens are obtained at 7, 28, 56, and 90 d curing periods. The assessment based on strength activity index, k-value method and strength estimation model confirms that AL, despite lower pozzolanic activity, contributes to strength gain, due to reduced dilution effect. Assessment of stress-strain curves suggests that the effect of w/b ratio is more dominant on the elastic modulus of BM specimens than on control specimens. The observations from the study identify enhanced strength gain, improved elastic modulus and higher energy absorption as key contributions of AL making it a potential supplementary material.

先前对混凝土的研究已将硅灰 (SF) 确定为最有效的补充材料，而粉煤灰 (FA) 和矿渣已被确定为具有长期强度潜力的经济材料。被称为混合砂浆 (BM) 的混合水泥砂浆的开发需要类似的评估。本研究探讨了 Alccofine (AL) 作为补充材料的应用，并将其性能与常规材料即 SF、FA 和磨碎的高炉矿渣 (GGBS) 进行了比较。粘合剂与细骨料 ( b/f ) 比例为 1:2 的砂浆试样是在水与粘合剂 ( w/b) 0.4 和 0.35 的比率。在 7、28、56 和 90 d 固化周期获得对照和 BM 试样的强度值和应力-应变曲线。基于强度活动指数、k 值方法和强度估计模型的评估证实，尽管降低了火山灰活性，但由于稀释效应降低，AL 有助于强度增加。应力-应变曲线的评估表明，w/b比对 BM 试样的弹性模量的影响比对对照试样的影响更大。该研究的观察结果确定了增强的强度增益、改进的弹性模量和更高的能量吸收是 AL 使其成为潜在补充材料的关键贡献。