Prediction Model Based on DoE and FTIR Data to Control Fast Setting and Early Shrinkage of Alkaline-Activated Slag/Silica Fume Blended Cementitious Material

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dc.date.accessioned2023-07-03T16:39:18Z
dc.date.available2023-07-03T16:39:18Z
dc.date.issued2023-05-31
dc.description.sponsorshipGefördert durch den Publikationsfonds der Universität Kassel
dc.identifierdoi:10.17170/kobra-202307038324
dc.identifier.urihttp://hdl.handle.net/123456789/14866
dc.language.isoeng
dc.relation.doidoi:10.3390/ma16114104
dc.rightsNamensnennung 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectalkali-activated materialseng
dc.subjectFTIReng
dc.subjectshrinkageeng
dc.subjectdesign of experimentseng
dc.subject.ddc600
dc.subject.swdSchrumpfenger
dc.subject.swdVersuchsplanungger
dc.subject.swdSchlackeger
dc.subject.swdZementger
dc.subject.swdSchnellhärtungger
dc.subject.swdStoffeigenschaftger
dc.titlePrediction Model Based on DoE and FTIR Data to Control Fast Setting and Early Shrinkage of Alkaline-Activated Slag/Silica Fume Blended Cementitious Materialeng
dc.typeAufsatz
dc.type.versionpublishedVersion
dcterms.abstractThis study aims to develop a material-saving performance prediction model for fast-hardening alkali-activated slag/silica fume blended pastes. The hydration process in the early stage and the microstructural properties after 24 h were analyzed using design of experiments (DoE). The experimental results show that the curing time and the FTIR wavenumber of the Si-O-T (T = Al, Si) bond in the band range of 900–1000 cm−¹ after 24 h can be predicted accurately. In detailed investigations, low wavenumbers from FTIR analysis were found to correlate with reduced shrinkage. The activator exerts a quadratic and not a silica modulus-related conditioned linear influence on the performance properties. Consequently, the prediction model based on FTIR measurements proved to be suitable in evaluation tests for predicting the material properties of those binders in the building chemistry sector.eng
dcterms.accessRightsopen access
dcterms.creatorSchade, Tim
dcterms.creatorMiddendorf, Bernhard
dcterms.extent24 Seiten
dcterms.source.articlenumber4104
dcterms.source.identifiereissn:1996-1944
dcterms.source.issueIssue 11
dcterms.source.journalMaterialseng
dcterms.source.volumeVolume 16
kup.iskupfalse

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