Volume 19 No 9 (2021)
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EXPERIMENTAL INVESTIGATION OF LIGHTWEIGHT CONCRETE INCORPORATING OIL PALM KERNEL SHELL AS A REPLACEMENT FOR COARSE AGGREGATE AND BINDING MATERIAL WITH FLY ASH
S Swetha, Priyanka Chella, Divi Jahnavi, Prasad
Abstract
A safe haven is one of the most fundamental requirements of human existence. Unfortunately, suitable housing for the vast majority of the homeless has not materialised during the course of this century. The public has expressed concern over the high cost of concrete materials, which has been a factor in both building and civil engineering projects. As a consequence of these and other causes, research on genetic local resources that are dumped as garbage into our environment, causing pollution and traffic congestion, has been carried out as an alternative material. As a direct consequence of this, a research was carried out with the purpose of determining the viability of using palm kernel shell as a partial replacement for coarse aggregate in concrete. The oil palm kernel shell, also known as OPKS, is a kind of biosolid waste that is produced as a byproduct of the palm oil industry in tropical countries. This waste may be used as an aggregate in concrete. Since 1984, OPKS has been used as a natural lightweight aggregate (LWC) in the production of lightweight concrete for the purpose of research studies. In this study, the fresh, mechanical, and bond properties of grade M30 lightweight concrete, more especially oil palm kernel shell concrete (OPKSC), are compared with those of normal weight concrete (NWC) of comparable strength. The Oil Palm Kernel Shell Committee (OPKSC) has converted an industrial byproduct known as oil palm kernel shell (OPKS) into lightweight aggregates (LWA). For each and every combination of mix proportions of ten percent, twenty percent, thirty percent, and fortieth percent oil palm kernel shell partial substitution of course aggregate, a preferable replacement of binding material comprised of flyash at a constant percentage of five percent was used. In contrast to the NWC, the OPKSC resulted in a density reduction of around 20%.
Keywords
A safe haven is one of the most fundamental requirements of human existence.
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