Feasibility study of compost as a partial substitute for fine aggregate in concrete

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dc.contributor.authorArikaraVelan, N.
dc.contributor.authorDeepak, V.
dc.contributor.authorKumar, N. Dhinesh
dc.contributor.authorMuthulingam, G.
dc.contributor.authorVanitha, S.
dc.contributor.authorPriya, P. Karthigai
dc.contributor.authorSabariraj, Sachin
dc.contributor.statusnemhu_HU
dc.date.accessioned2022-06-17T14:02:18Z
dc.date.available2022-06-17T14:02:18Z
dc.date.issued2022-06-16
dc.description.abstractIn this study, vermicompost is replaced for fine aggregate in geopolymer concrete (GPC). Initially mix design is made for GPC and mix proportion is proposed. The vermicompost is replaced at 5%, 10%, 15% and 20% with M sand in GPC. Result indicates the 5% replacement with vermicompost based geopolymer concrete (GPVC) has the compressive strength of 32 N mm−2 (M30 grade) whereas the compressive strength of control specimen made with GPC is 37 N mm−2. Other replacement shows 21 N mm−2, 14 N mm−2 and 11 N mm−2 respectively. The 5% replaced concrete cubes and control specimen are tested at an elevated temperature of 200°C, 400°C, 600°C and 800°C and compared with the control specimen. There is no significant difference observed in weight lost at control (GPC) and GPVC specimen. An elevated temperature, the weight loss is almost 4% at 200°C because of expulsion of water from the concrete. Afterwards only 2% weight loss is observed in remaining elevated temperature. The compressive strength loss is observed at an elevated temperature in GPC and GPVC specimen because of thermal incompatibility between aggregate and the binder. EDX results show M sand and compost contains Si, Al, C, Fe, Ca, Mg, Na and K and it is similar in the elemental composition and SEM image confirms vermicompost contains fine particles.hu_HU
dc.identifier.doi10.1556/1848.2021.00357hu_HU
dc.identifier.issn2062-0810
dc.identifier.issue2hu_HU
dc.identifier.jtitleInternational Review of Applied Sciences and Engineering
dc.identifier.urihttp://hdl.handle.net/2437/335481
dc.identifier.urlhttps://akjournals.com/view/journals/1848/13/2/article-p239.xmlhu_HU
dc.identifier.volume13hu_HU
dc.language.isoenhu_HU
dc.publisherAkadémiai Kiadóhu_HU
dc.subjectGeopolymer concretehu_HU
dc.subjectFine aggregatehu_HU
dc.subjectvermicomposthu_HU
dc.subjectcompressive strengthhu_HU
dc.subjectelevated temperaturehu_HU
dc.titleFeasibility study of compost as a partial substitute for fine aggregate in concretehu_HU
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International Review of Applied Sciences and Engineering