Effect of layer orientation on behaviour of 3D-printed rock specimens in indirect tensile testing

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dc.contributor.authorYang, W.
dc.contributor.authorHuang, Z.
dc.contributor.authorVerma, R.
dc.contributor.authorNguyen, G.D.
dc.contributor.authorTung, T.T.
dc.contributor.authorKarakus, M.
dc.contributor.conferenceISRM International Symposium: Rock and Fracture Mechanics in Rock Engineering and Mining (EUROCK) (12 Sep 2022 - 15 Sep 2022 : Helsinki, Finland)
dc.contributor.editorUotinen, L.
dc.contributor.editorJohansson, E.
dc.date.issued2023
dc.description.abstractThe mineralogical composition, texture and fracture of natural rocks can be complicated due to the inherent heterogeneity of geomechanical properties, making it challenging to understand their behaviour. Due to the intrinsic layer by layer manufacturing process, 3D printing technology enables to create rock-like materials and specimens with known and controllable inhomogeneity. In this study, disc specimens of a rock-like material are fabricated using 3D printing of cement mortar for testing to understand fabric orientation effect on fracture behaviour better. For the first time, a novel technique, named AUSBIT (Adelaide University Snap-back Indirect Tensile test), for Brazilian disc tests is applied for obtaining both strength and snap-back post-peak behaviour of the 3D printed rock-like materials. Adopting Digital Image Correlation (DIC) technique, in conjunction with the use of AUSBIT, allows obtaining full-field strains and their evolutions, showing strong effects of fabric orientation on strain distributions and both pre-and post-peak responses.
dc.description.statementofresponsibilityWeiyi Yang, Zili Huang, Rupesh Verma, Giang D Nguyen, Tran T Tung, Murat Karakus
dc.identifier.citationProceedings of the ISRM International Symposium: Rock and Fracture Mechanics in Rock Engineering and Mining (EUROCK 2022), as published in IOP Conference Series: Earth and Environmental Science, 2023 / Uotinen, L., Johansson, E. (ed./s), vol.1124, iss.1, pp.012084-1-012084-8
dc.identifier.doi10.1088/1755-1315/1124/1/012084
dc.identifier.issn1755-1307
dc.identifier.issn1755-1315
dc.identifier.orcidHuang, Z. [0000-0003-4260-8033]
dc.identifier.orcidTung, T.T. [0000-0002-1535-5109]
dc.identifier.orcidKarakus, M. [0000-0001-6701-1888]
dc.identifier.urihttps://hdl.handle.net/2440/148016
dc.language.isoen
dc.publisherIOP Publishing
dc.publisher.placeOnline
dc.relation.granthttp://purl.org/au-research/grants/arc/LP200100038
dc.relation.ispartofseriesIOP Conference Series: Earth and Environmental Science; 1124.1
dc.rightsOpen Access. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Published under licence by IOP Publishing Ltd
dc.source.urihttps://iopscience.iop.org/issue/1755-1315/1124/1
dc.titleEffect of layer orientation on behaviour of 3D-printed rock specimens in indirect tensile testing
dc.typeConference paper
pubs.publication-statusPublished

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