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Investigation of the size effect and the fracture process on the uniaxial compressive strength of the banded Alfas porous stone

Nomikos Pavlos, Kaklis Konstantinos, Agioutantis Zacharias, Mavrigiannakis Stelios

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URIhttp://purl.tuc.gr/dl/dias/A52730DB-19A9-46B4-97CF-65762EB83F30-
Identifierhttps://doi.org/10.1016/j.prostr.2020.06.036-
Identifierhttps://www.sciencedirect.com/science/article/pii/S2452321620304443-
Languageen-
Extent8 pagesen
TitleInvestigation of the size effect and the fracture process on the uniaxial compressive strength of the banded Alfas porous stoneen
CreatorNomikos Pavlosen
CreatorKaklis Konstantinosen
CreatorΚακλης Κωνσταντινοςel
CreatorAgioutantis Zachariasen
CreatorΑγιουταντης Ζαχαριαςel
CreatorMavrigiannakis Steliosen
CreatorΜαυριγιαννακης Στελιοςel
PublisherElsevieren
Content SummaryThis paper focuses on the experimental and numerical investigation of the size effect and the fracture process on the uniaxial compression strength (UCS) of the banded Alfas porous stone. This natural building material excavated in Rethimnon, Crete, Greece often features two material bands with similar mineralogical properties, but different depositional characteristics and therefore different mechanical parameters. The experimental tests were simulated numerically using the Bonded Particle Model (BPM) available in the PFC2D code. The noticeable unusual increase of UCS with increasing specimen diameter as well as the strong influence of the weaker band on the mechanical behavior of the banded Alfas porous stone are confirmed by the numerical results. Future work will focus on the direct measurement of the weak/strong material band properties and will investigate the effect of the loading rate and boundary conditions on the mechanical response of the BPMs.en
Type of ItemΠλήρης Δημοσίευση σε Συνέδριοel
Type of ItemConference Full Paperen
Licensehttp://creativecommons.org/licenses/by-nc-nd/4.0/en
Date of Item2022-06-17-
Date of Publication2020-
SubjectBanded Alfas porous stoneen
SubjectBuilding materialen
SubjectSize effecten
SubjectPFC2Den
SubjectUniaxial compression strength testsen
Bibliographic CitationP. Nomikos, K. Kaklis, Z. Agioutantis, and S. Mavrigiannakis, “Investigation of the size effect and the fracture process on the uniaxial compressive strength of the banded Alfas porous stone,” in MedFract1, Athens, 2020, vol. 26, pp. 285-292, 2020, doi: 10.1016/j.prostr.2020.06.036.en

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