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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Abrasion Resistance of Self-Consolidating Engineered Cementitious Composites Developed with Different Mixture Compositions
Author(s): Mohamed K. Ismail, Assem A. A. Hassan, and Mohamed Lachemi
Publication: Materials Journal
Appears on pages(s): 27-38
Keywords: abrasion resistance; engineered cementitious composite; sand type; self consolidation; supplementary cementitious materials
Abstract:This investigation aims to study the abrasion resistance of developed self-consolidating engineered cementitious composite (SCECC) mixtures using the rotating-cutter and sandblasting abrasion tests. The fresh and mechanical properties of the developed SCECC were also investigated in this study. Additional conventional self-consolidating concrete (SCC) (with 10 mm [0.39 in.] coarse aggregate) and vibrated engineered cementitious composite (VECC) mixtures were tested for comparison. The standard engineered cementitious composites (ECCs) are commonly developed using a high volume of fly ash (FA) and microsilica sand (SS). In this study, the FA was partially replaced by varied volumes of slag (SL), silica fume (SF), and metakaolin (MK), while the SS was replaced by crushed granite sand (CS) of different sizes. The results indicated that combining SL, SF, or MK with FA resulted in developing SCECCs with adequate deformability and higher abrasion resistance, compressive strength, and flexural strength. Using 20% of MK in the development of SCECC showed the best abrasion resistance improvement in both rotating-cutter and sandblasting tests. The results of rotating-cutter and sandblasting tests also indicated that SCECC mixtures appeared to have less abrasion resistance compared to their SCC counterpart mixtures with 10 mm (0.39 in.) coarse aggregate.
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