Temperature influence on ordinary concrete modified with fly ashes from thermally conversed municipal sewage sludge strength parameters

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dc.authorid0000-0003-3515-8505en_US
dc.authorid0000-0001-5963-7813en_US
dc.authorid0000-0002-1873-6038en_US
dc.contributor.authorRutkowska, Gabriela
dc.contributor.authorOgrodnik, Pawel
dc.contributor.authorFronczyk, Joanna
dc.contributor.authorBilgin, Ayla
dc.date.accessioned2020-12-24T09:45:37Z
dc.date.available2020-12-24T09:45:37Z
dc.date.issued2020
dc.departmentAÇÜ, Mühendislik Fakültesien_US
dc.description.abstractConcrete is the most commonly used structural material, without which modern construction could not function. It is a material with a high potential to adapt to specific operating conditions. The use of this potential is made by its material modification. The aim of the performed investigations was the assessment of rational application possibilities of fly ashes from thermally conversed municipal sewage sludge as an alternative concrete admixture. A concrete mix was designed, based on the Portland cement CEM I 42.5R and containing various quantity of ash, amounting to 0–25% of cement mass. The samples were conditioned and heated in a furnace at the temperature of 300 ?C, 500 ?C, and 700 ?C. Physical and chemical properties of the ashes as well as utility properties of the concrete, i.e., density, compressive strength after 28, 56, and 90 days of maturation, frost resistance, and compressive strength in high temperature were determined. The tests were performed at cubic samples with 10 cm edge. The replacement of a determined cement quantity by the fly ashes enables obtaining a concrete composite having good strength parameters. The concrete modified by the fly ashes constituting 20% of the cement mass achieved its average compressive strength after 28 days of maturation equal to 50.12 MPa, after 56 days 50.61 MPa and after 90 days 50.80 MPa. The temperature growth weakens the composite structure. The obtained results confirm the possibility of waste recycling in the form of fly ashes as a cement substitute in concrete manufacturing.
dc.description.sponsorshipThis research was co-financed from EU funds, grant number POIR.04.04.00-00-0004/15.en_US
dc.identifier.citationRutkowska, G., Ogrodnik, P., Fronczyk, J., & Bilgin, A. (2020). Temperature Influence on Ordinary Concrete Modified with Fly Ashes from Thermally Conversed Municipal Sewage Sludge Strength Parameters. Materials, 13(22), 5259.en_US
dc.identifier.doi10.3390/ma13225259
dc.identifier.endpage18en_US
dc.identifier.issue22en_US
dc.identifier.scopusqualityQ2
dc.identifier.startpage1en_US
dc.identifier.urihttps://hdl.handle.net/11494/2497
dc.identifier.volume13en_US
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorBilgin, Ayla
dc.language.isoenen_US
dc.publisherMDPIen_US
dc.relation.ecPOIR.04.04.00-00-0004/15
dc.relation.ispartofMaterials
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectConcreteen_US
dc.subjectFly ashesen_US
dc.subjectTemperatureen_US
dc.subjectCompressive strengthen_US
dc.titleTemperature influence on ordinary concrete modified with fly ashes from thermally conversed municipal sewage sludge strength parametersen_US
dc.typeArticle

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