Point Load Index Applicability to Predicting Rocks' Uniaxial Compressive and Tensile Strengths: Available Data Analysis and FEM-Based Validity Check

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dc.contributor.authorAkbay, D.
dc.date.accessioned2025-01-27T20:26:55Z
dc.date.available2025-01-27T20:26:55Z
dc.date.issued2024
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractIn projects that are in contact with rocks, it is very important to determine the strength parameters of the rock correctly. While there are several approaches to this, the experimental approach is the most recommended. The strength of the rocks is determined by laboratory experiments. However, these experiments can sometimes be complicated, time-consuming, expensive, or samples with the required size cannot be prepared. In such cases, index, simpler, and cheaper test methods can be used to estimate the strength values. Many studies have used point load index (PLI) to predict uniaxial compressive strength (UCS). This study investigated whether PLI predicts UCS or Brazilian tensile strength (BTS) better. A data set was created from the studies with UCS, BTS, and PLI values, which were determined using the same rock samples in the literature. The finite element approach was used to analyze the stress distributions on the samples to explain better the results obtained. As a result, it was seen that PLI can be used reliably in magmatic and metamorphic rocks to predict both UCS and BTS. It was determined that PLI predicted BTS better and that the stress distributions formed on the sample at the time of the experiment were very similar to those of the BTS test.
dc.identifier.doi10.1007/s11223-024-00713-w
dc.identifier.endpage1054
dc.identifier.issn0039-2316
dc.identifier.issn1573-9325
dc.identifier.issue5
dc.identifier.scopus2-s2.0-85211451990
dc.identifier.scopusqualityQ4
dc.identifier.startpage1045
dc.identifier.urihttps://doi.org/10.1007/s11223-024-00713-w
dc.identifier.urihttps://hdl.handle.net/20.500.12428/22499
dc.identifier.volume56
dc.identifier.wosWOS:001367929200001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofStrength of Materials
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectpoint load index
dc.subjectuniaxial compressive strength
dc.subjectBrazilian tensile strength
dc.subjectnumerical analysis
dc.titlePoint Load Index Applicability to Predicting Rocks' Uniaxial Compressive and Tensile Strengths: Available Data Analysis and FEM-Based Validity Check
dc.typeArticle

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