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ISSN 2063-5346
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SUSTAINABLE USAGE OF CEMENT KILN DUST AND LIGNOSULFONATE IN DEVELOPING ASBESTOS FIBER REINFORCED ENGINEERED CEMENTITIOUS COMPOSITES

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Muthuraman U, 2 Hema HC, 3* Sophia M
» doi: 10.48047/ecb/2023.12.10.027

Abstract

Engineered Cementitious Composite (ECC) is a special kind of cement mixture that has a special composition of low volume fibers and various composites to give it great ductility, high tensile strength, and the capacity to repair itself. The impact of cement kiln dust (0 to 25% weight of cement with 5% increment) on the ECC was investigated through a series of tests. Additionally, experimental research is done to see whether employing asbestos fibre to generate ECC is feasible. The current study explores the use of asbestos fibre (AF) and cement kiln dust (CKD) as potential addition and cement replacements for ECC production alternatives. In this study, fly ash is employed as a secondary cementitious material and silica sand as a fine aggregate in the creation of ECC. In this study, the characteristics of a new hybrid fiber-reinforced ECC material that contains 7.5% asbestos fibre are experimentally investigated. Also the sodium lignosulfonate (LS) is added to the developed ECC mix at various dosages (0.5, 1, and 1.5%). When 15% of the cement was replaced with cement kiln dust containing 7.5% asbestos fibre at all LS dosages, ECC performed at its best.

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