Utilization of desiccant silica-gel wastes for the mechanical and microstructural performances of self-compacting mortars
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info:eu-repo/semantics/openAccessTarih
April 2025Erişim
info:eu-repo/semantics/openAccessÜst veri
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Scopus EXPORT DATE: 11 March 2025 @ARTICLE{Yılmaz2025, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85211121201&doi=10.1016%2fj.susmat.2024.e01207&partnerID=40&md5=aebad550565fb4514337552355794ecd}, affiliations = {Department of Mining Technology, Gümüşhane University, Gümüşhane, 29100}, publisher = {Elsevier B.V.}, issn = {22149929}, language = {English}, abbrev_source_title = {Sustain. Mater. Technol.} }Özet
The existing exploratory focuses to examine the effect of relocating ordinary Portland cement (OPC) by divergent proportions (2.5–15 %, by vol.) of desiccant silica-gel waste (DSGW) on the strength/durability/microstructural traits of self-compacting mortars (SCMs). A large experimental programme comprising unconfined compressive- (UCS: 7/28/56/90 days) and flexural-strength (FS: 7/28/56/90 days), freeze-thaw (F-T: 50/100 cycles), sorptivity (Sp: 28 days), porosity (PT: 28 days) and scanning electron microscope (SEM: 28 days) tests was conducted on the fabricated SCMs. From the gathered findings, the replacing OPC by 10 % DSGW, compared to the Control, was detected to signify the most efficacious contribution on SCMs' strength (UCS/FS = +15.2/12.3 %), durability (UCS/FS-losses after 50 and 100 F-T = −4.7/−6.1 % and − 10.0/−12.7 %) behavior, which is in tune with the ameliorated microstructure (Sp = −35.2 %, PT = −19.2 % and SEM = higher C-S-H gel, less micro-crack). © 2024 Elsevier B.V.
