Formulation of a Mixture of Nutmeg Shell Waste with Coarse Aggregate for Optimal Compressive Strength Values in Lightweight Concrete

Abstract

Nutmeg shell waste (CP) has light and hard characteristics which can be used as a replacement material for coarse aggregate for lightweight concrete. The aim of the research is to determine the influence of aggregate characteristics after being mixed with nutmeg shells as a constituent material for concrete and determine the compressive strength value of the concrete. The method used is a laboratory experimental method with CP waste percentages of 2.5%, 5% and 7.5% of the sand volume. The results of the research show the effect of using nutmeg shells in the concrete mixture, where the compressive strength value of the concrete increases along with the increase in CP waste used. The compressive strength values of nutmeg shell concrete (CP) at compositions of 2.5%, 5% and 7.5% were obtained at 234.26, 263.56 kg/cm2, kg/cm2 and 280.14, increasing at 28 days.

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