Experimental Effect of Cassava Starch and Rice Husk Ash on Physical and Mechanical Properties of Concrete
How to Cite?
Bassirou Kone, John N. Mwero, Erick K. Ronoh, "Experimental Effect of Cassava Starch and Rice Husk Ash on Physical and Mechanical Properties of Concrete," International Journal of Engineering Trends and Technology, vol. 70, no. 3, pp. 334-341, 2022. Crossref, https://doi.org/10.14445/22315381/IJETT-V70I2P239
This study focused on assessing the suitability of using rice husk ash (RHA) to partially replace cement and cassava starch(CS) as a natural admixture in fresh and hardened concrete production. This was achieved by experimentally establishing the engineering properties of RHA and cassava starch (CS). CS and RHA were incorporated separately and jointly in different mixtures. The individual and combined effects of CS and RHA were monitored with respect to various properties of fresh and hardened concrete. 16 mixtures were designed in which CS ranged from 0, 1, 1.5 and 2% and RHA from 0, 10, 15, 20% in a mixing ratio of 1:1.87:3.62, with the cement-to-water ratio of 0.5. Specimens were cured for 7, 14, 28, 56 and 90 days. The results indicated that CS and RHA prolonged the setting time of cement; the optimum of 1% CS and 10% RHA gave good strength development.
Cassava starch, Rice husk ash, Setting time, workability, Density, Compressive strength, Splitting tensile strength.
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