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Optimizing durability and performance in high-volume fly ash-based alkali-activated mortar with palm oil fuel ash and slag: A response surface methodology approach

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dc.citedby5
dc.contributor.authorAlgaifi H.A.en_US
dc.contributor.authorFahim Huseien G.en_US
dc.contributor.authorSyamsir A.en_US
dc.contributor.authorQaid A.en_US
dc.contributor.authorBaharom S.en_US
dc.contributor.authorMhaya A.M.en_US
dc.contributor.authorid57203885467en_US
dc.contributor.authorid56814956200en_US
dc.contributor.authorid57195320482en_US
dc.contributor.authorid56306204100en_US
dc.contributor.authorid8671436000en_US
dc.contributor.authorid57112485300en_US
dc.date.accessioned2025-03-03T07:43:23Z
dc.date.available2025-03-03T07:43:23Z
dc.date.issued2024
dc.description.abstractWhile extensive research has been conducted on the production of binary or ternary binders incorporated into alkali-activated mortars (AAMs), significant efforts continue to be directed towards determining the optimal blends that not only address strength requirements but also durability criteria. The present study seeks to optimize highly durable AAMs subjected to harsh conditions that would most likely occur in the mortar during service, through both experimental and optimization modeling. A ternary binder system was developed with a high proportion of fly ash (FA) at 50%, 60%, and 70%, combined with ground granulated blast furnace slag (GBFS) and palm oil fuel ash (POFA) at varying levels from 0% to 30%. Visual inspection, compressive strength loss, and microstructure tests were used to evaluate the performance of the proposed AAMs with exposure to freezing-thawing cycles, wet-dry cycles, and an acidic environment for up to one year. Results indicated that the acid, wet-dry, and freezing-thawing resistances of the proposed mortar were satisfactory at the binder level (60% FA, 10% POFA, and 30% GBFS). Furthermore, the response surface methodology model's accuracy and robustness were attained, with mean absolute percentage error (MAPE) and scatter index (SI) values less than 0.11. It is recommended that a ternary binder of high-volume FA incorporating POFA and GBFS should be used in AAMs to minimize environmental problems, enhance durability performance, and reduce natural resource depletion. ? 2024 The Authorsen_US
dc.description.natureFinalen_US
dc.identifier.ArtNo100427
dc.identifier.doi10.1016/j.dibe.2024.100427
dc.identifier.scopus2-s2.0-85190516807
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85190516807&doi=10.1016%2fj.dibe.2024.100427&partnerID=40&md5=ca0305aafc0805a0fa3ebb77f10ef7f2
dc.identifier.urihttps://irepository.uniten.edu.my/handle/123456789/36610
dc.identifier.volume18
dc.publisherElsevier Ltden_US
dc.relation.ispartofAll Open Access; Gold Open Access
dc.sourceScopus
dc.sourcetitleDevelopments in the Built Environment
dc.subjectAcid resistance
dc.subjectBinders
dc.subjectBlast furnaces
dc.subjectCompressive strength
dc.subjectDurability
dc.subjectFly ash
dc.subjectFreezing
dc.subjectMortar
dc.subjectOil shale
dc.subjectSlags
dc.subjectSurface properties
dc.subjectThawing
dc.subjectAlkali-activated mortars
dc.subjectDurability property
dc.subjectEnergy
dc.subjectFreezing-thawing resistances
dc.subjectFuel ash
dc.subjectHigh volume fly ash
dc.subjectPerformance
dc.subjectResponse-surface methodology
dc.subjectWet dries
dc.subjectWet-dry resistance
dc.subjectPalm oil
dc.titleOptimizing durability and performance in high-volume fly ash-based alkali-activated mortar with palm oil fuel ash and slag: A response surface methodology approachen_US
dc.typeArticleen_US
dspace.entity.typePublication
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