Effect on the properties of fresh and hardened concrete made using fly ash geopolymer sand

A tétel rövid nézete
dc.contributor.authorThankam, Lizia G.
dc.contributor.authorNeelakantan, T.R.
dc.contributor.authorGnanaraj, Christopher S.
dc.contributor.statusnemhu_HU
dc.date.accessioned2021-06-08T12:21:10Z
dc.date.available2021-06-08T12:21:10Z
dc.date.issued2021-08
dc.description.abstractFly ash-based geopolymer fine aggregate is a potential replacement material for the natural river sand as it has similar physicochemical properties. This paper reports the experimental investigation of a study conducted using this fine aggregate in concrete with a focus on the properties of fresh and hardened concrete. The geopolymer fine aggregate was developed by air curing process and oven curing method. The oven curing method yielded relatively better mechanical properties in concrete specimens. The oven curing results in better behavior at later age also. Laboratory tests were conducted to ascertain the fresh concrete density, slump value, hardened concrete density, compressive strength, tensile strength, and flexural strength of the concrete specimens. The microstructure of the concrete specimens was analyzed using scanning electron microscope which indicated the agglomeration of the fly ash particles with few voids demonstrating the higher water adsorption capacity of the same. The unreacted particles noted in the microstructure later tend to merge with the lime obtained from the hydration of cement so as to develop improved later age mechanical strength. The results on mechanical properties of the concrete indicate much similar results to that of the concrete developed with the normal river sand, which confirms that the geopolymer sand is an ideal replacement choice for natural river sand.hu_HU
dc.identifier.doi10.1556/1848.2021.00223hu_HU
dc.identifier.issn2062-0810
dc.identifier.issue2hu_HU
dc.identifier.jtitleInternational Review of Applied Sciences and Engineering
dc.identifier.urihttp://hdl.handle.net/2437/310811
dc.identifier.urlhttps://akjournals.com/view/journals/1848/12/2/article-p176.xmlhu_HU
dc.identifier.volume12hu_HU
dc.language.isoenhu_HU
dc.publisherAkadémiai Kiadóhu_HU
dc.subjectgeopolymer sandhu_HU
dc.subjectSEMhu_HU
dc.subjectcompressive strengthhu_HU
dc.subjecttensile strengthhu_HU
dc.subjectflexural strengthhu_HU
dc.subjectriver sandhu_HU
dc.subjectfine aggregatehu_HU
dc.titleEffect on the properties of fresh and hardened concrete made using fly ash geopolymer sandhu_HU
Fájlok
Eredeti köteg (ORIGINAL bundle)
Megjelenítve 1 - 1 (Összesen 1)
Nem elérhető
Név:
_20634269___International_Review_of_Applied_Sciences_and_Engineering__Effect_on_the_properties_of_fresh_and_hardened_concrete_made_using_fly_ash_geopolymer_sand.pdf
Méret:
2.01 MB
Formátum:
Adobe Portable Document Format
Letöltés
Engedélyek köteg
Megjelenítve 1 - 1 (Összesen 1)
Nem elérhető
Név:
license.txt
Méret:
2.57 KB
Formátum:
Item-specific license agreed upon to submission
Leírás:
Letöltés
Gyűjtemények
International Review of Applied Sciences and Engineering