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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-
Αναγνωριστικόhttps://doi.org/10.1016/j.prostr.2020.06.036-
Αναγνωριστικόhttps://www.sciencedirect.com/science/article/pii/S2452321620304443-
Γλώσσαen-
Μέγεθος8 pagesen
ΤίτλοςInvestigation of the size effect and the fracture process on the uniaxial compressive strength of the banded Alfas porous stoneen
ΔημιουργόςNomikos Pavlosen
ΔημιουργόςKaklis Konstantinosen
ΔημιουργόςΚακλης Κωνσταντινοςel
ΔημιουργόςAgioutantis Zachariasen
ΔημιουργόςΑγιουταντης Ζαχαριαςel
ΔημιουργόςMavrigiannakis Steliosen
ΔημιουργόςΜαυριγιαννακης Στελιοςel
ΕκδότηςElsevieren
ΠερίληψηThis 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
ΤύποςΠλήρης Δημοσίευση σε Συνέδριοel
ΤύποςConference Full Paperen
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by-nc-nd/4.0/en
Ημερομηνία2022-06-17-
Ημερομηνία Δημοσίευσης2020-
Θεματική ΚατηγορίαBanded Alfas porous stoneen
Θεματική ΚατηγορίαBuilding materialen
Θεματική ΚατηγορίαSize effecten
Θεματική ΚατηγορίαPFC2Den
Θεματική ΚατηγορίαUniaxial compression strength testsen
Βιβλιογραφική ΑναφοράP. 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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