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dc.creatorBerisavljević, Zoran
dc.creatorBerisavljević, Dušan
dc.creatorRakić, Dragoslav
dc.creatorHadzi-Niković, Gordana
dc.creatorRadić, Zoran
dc.date.accessioned2019-04-19T14:30:14Z
dc.date.available2019-04-19T14:30:14Z
dc.date.issued2018
dc.identifier.issn1435-9529
dc.identifier.urihttps://grafar.grf.bg.ac.rs/handle/123456789/965
dc.description.abstractThis paper presents the results of uniaxial compression strength tests performed on samples composed of sandstone and siltstone discs. Samples are loaded until failure, with the aim of determining the dependency between uniaxial compressive strength and the volumetric percentage of siltstone. In order to precisely determine the moment and mechanism of failure of each composite sample, the process was recorded with a high-speed camera (120 fps). Uniaxial compressive strength decreases exponentially with an increase of siltstone volumetric participation. The critical ratio at which the uniaxial compressive strength of the composite sample equals the strength of the uniform siltstone sample was obtained at a siltstone percentage of 60%. The failure mechanism is highly dependent on the siltstone percentage, and occurs as shear or tensile failure, or combined shear-tensile failure in individual discs or throughout the entire composite sample. Comparison of the obtained exponential equation with empirical suggestions shows a good correspondence. It is suspected that the disagreement between the particular conclusions of this study and conclusions of other laboratory studies is due mainly to sample micro-heterogeneity.en
dc.publisherSpringer Verlag
dc.rightsrestrictedAccess
dc.sourceBulletin of Engineering Geology and the Environment
dc.subjectSiltstone percentageen
dc.subjectComposite sampleen
dc.subjectUniaxial compressive strengthen
dc.subjectMicro-heterogeneityen
dc.titleStrength of composite flysch samples under uniaxial compressionen
dc.typearticle
dc.rights.licenseARR
dc.citation.epage802
dc.citation.issue2
dc.citation.other77(2): 791-802
dc.citation.rankM22
dc.citation.spage791
dc.citation.volume77
dc.identifier.doi10.1007/s10064-017-1009-4
dc.identifier.scopus2-s2.0-85010792438
dc.identifier.wos000431300600026
dc.type.versionpublishedVersion


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Приказ основних података о документу