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- W4313015096 abstract "The present research work has been carried out by using crushed rock dust and fly ash as cement replacement in combined proportion of 20% CRD and 0% fly ash mix together with the gradual increase of 2.5% fly ash and simultaneously gradual decrease of 2.5 % of CRD with the addition of 0.5% coir fibre by weight of cement. Last proportion taken was 10% CRD and 10% fly ash. Use of this material in concrete not only improves the strength of concrete but also leads to the proper disposal of these materials, reducing the impact of these materials on environment. In this research the compressive and flexural strength of concrete with replacement of ordinary Portland cement by crushed rock dust (CRD) and fly ash with the addition of 0.5% coirfiber are studied. Eleven concrete mixes are prepared and compared with the nominal mix (with 0% CRD, fly ash and fiber). Test results for compressive and flexural strength show higher gain in strength for mixes using CRD, fly ash and fiber as compare to nominal mix. It was observed that cement replace with 12.5% CRD and 7.5% fly ash with 0.5% coir fiber gave the highest strength value. Property workability also studied for different concrete mixes. The addition of coir fiber gives slight more variation in the workability as compare to concrete made by using CRD and fly ash. The fiber into fresh concrete can increase the ductility of the concrete and also acts as a crack arrester." @default.
- W4313015096 created "2023-01-05" @default.
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- W4313015096 date "2022-01-01" @default.
- W4313015096 modified "2023-10-18" @default.
- W4313015096 title "The structural performance of concrete containing crushed rock dust and fly ash with the addition of coir fibre" @default.
- W4313015096 doi "https://doi.org/10.53550/eec.2022.v28i07s.021" @default.
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