Evaluation and Multi-Objective Optimization of Lightweight Mortars Parameters at Elevated Temperature via Box-Behnken Optimization Approach

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dc.authoridKOKSAL, Fuat/0000-0002-3436-1694
dc.authoridKaya, Mehmet/0000-0002-8116-0123
dc.authoridYildirim, Zeynel Baran/0000-0003-4068-7161
dc.contributor.authorKaya, Mehmet
dc.contributor.authorYildirim, Zeynel Baran
dc.contributor.authorKoksal, Fuat
dc.contributor.authorBeycioglu, Ahmet
dc.contributor.authorKasprzyk, Izabela
dc.date.accessioned2025-01-06T17:43:30Z
dc.date.available2025-01-06T17:43:30Z
dc.date.issued2021
dc.description.abstractIn this research, the mechanical properties of lightweight mortars containing different percentages of additional powder materials has been investigated using response surface methodology (RSM). Box-Behnken design, one of the RSM techniques, was used to study the effects of silica fume content (5, 10, and 15%), vermiculite/cement (V/C) ratio (4, 6, and 8), and temperature (300, 600, and 900 degrees C) on the ultrasonic pulse velocity (UPV), bending strength, and compressive strength of lightweight mortars. Design expert statistical software was accustomed to determining and evaluating the mix-design of materials in mortar mixtures and temperature effect on mortars. After preliminary experimental research of the relationships between independent and response variables, regression models were built. During the selection of the model parameters, F value, p-value, and R-2 values of the statistical models were taken into account by using the backward elimination technique. The results showed a high correlation between the variables and responses. Multi-objective optimization results showed that the critical temperatures for different levels of silica fume (5-10-15%) were obtained as 371.6 degrees C, 306.3 degrees C, and 436 degrees C, respectively, when the V/C ratio kept constant as 4. According to the results obtained at high desirability levels, it is found that the UPS values varied in the range of 2480-2737 m/s, flexural strength of 3.13-3.81 MPa, and compressive strength of 9.9-11.5 MPa at these critical temperatures. As a result of this research, RSM is highly recommended to evaluate mechanical properties where concrete includes some additional powder materials and was exposed to high temperature.
dc.description.sponsorshipPolish National Agency for Academic Exchange [PPI/APM/2019/1/00003]
dc.description.sponsorshipFundingThe scientific collaborations of this article have been improved by the support of the Polish National Agency for Academic Exchange under Grant No. PPI/APM/2019/1/00003.
dc.identifier.doi10.3390/ma14237405
dc.identifier.issn1996-1944
dc.identifier.issue23
dc.identifier.pmid34885562
dc.identifier.scopus2-s2.0-85120832069
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.3390/ma14237405
dc.identifier.urihttps://hdl.handle.net/20.500.14669/2673
dc.identifier.volume14
dc.identifier.wosWOS:000735005600001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherMdpi
dc.relation.ispartofMaterials
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241211
dc.subjectlightweight mortar
dc.subjectsilica fume
dc.subjectexpanded vermiculite
dc.subjectresponse surface methodology
dc.subjectbox-Behnken design
dc.titleEvaluation and Multi-Objective Optimization of Lightweight Mortars Parameters at Elevated Temperature via Box-Behnken Optimization Approach
dc.typeArticle

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