Variation of Concrete Strength Using Steel Fibre and Rice Husk AshJournal: International Journal of Science and Research (IJSR) (Vol.9, No. 9)
Publication Date: 2020-09-05
Authors : Amir Zahoor Shah;
Page : 213-227
Keywords : Steel fibre; Rice husk ash;
The Study investigates about the effect of various fibres in concrete that helps to determine the optimized concrete strength to various proportions of fibres. The influence of Steel fibre and rice husk explains the mechanism of bonding strength. In this present study, the concrete cube of size 150 x 150 x 150 mm and cylinder of size 150 x 300 mm were cast to determine the compressive strength and split tensile strength parameters. The fibres were cleaned and the dust particles were removed by a suitable method and later on added to the concrete mix. The aspect ratio of the fibre is adopted in each stage of concrete mix preparation so that the uniformity of fibre size is maintained. The Concrete specimens were prepared with each calculated ratio of fibres, these fibres strength along with concrete shows the Individual strength results as well as combined form. Steel fibre was using 0 %, 1 %, 3 % and 5 % by volume fraction and rice husk ash are replacing by the OPC by the weight at 7 %, 12 % and 15 %. The optimum value of steel fibre is 3 % for the compressive strength and the split tensile strength optimum value is 5 %. And RHA optimum value for replacement is 12 % for both the compressive strength and split tensile strength. A total number of cube cast for compressive strength is 27 and total number cast of the cylinder is 27.
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