Experimental Investigation of the Effect of Sisal Fiber on the Partially Replaced Cement with Groundnut Shell Ash in Concrete
An investigation on the effect of sisal fiber on the partially replaced cement with Groundnut Shell Ash in Concrete was carried out. Sisal fiber of 3.5cm length which forms 1% of the mix by weight with groundnut shell ash as a partial replacement for cement was used in preparing the concrete specimen. Compressive strength test was carried out using 0%, 5%, 10%, 15%, 20%, 25% and 30% of Groundnut shell ash as replacement of cement at different curing ages of 7, 14, 21 and 28 days. It was observed that at 7 and 14days of curing, it is needless introducing the GSA since the maximum compressive strength obtained were at 0% GSA. At 21 and 28days of curing, a considerable increase in compressive strength was observed for 5% and 10% of GSA. However, 5% of GSA can be regarded as the optimum content since it gives the maximum compressive strength value of 30.1N/mm2 at 28days of curing. This is followed by 10% replacement of GSA yielding 28.10N/mm2 and then 0% GSA replacement yielding 25.01N/mm2.
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