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https://hdl.handle.net/2440/99234
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dc.contributor.author | Nguyen, G. | - |
dc.contributor.author | Nguyen, C. | - |
dc.contributor.author | Bui, H. | - |
dc.contributor.author | Nguyen, V. | - |
dc.date.issued | 2016 | - |
dc.identifier.citation | International Journal of Rock Mechanics and Mining Sciences, 2016; 83:57-72 | - |
dc.identifier.issn | 1365-1609 | - |
dc.identifier.issn | 1873-4545 | - |
dc.identifier.uri | http://hdl.handle.net/2440/99234 | - |
dc.description.abstract | Porous sandstones exhibit localised modes of failure in the form of shear or compaction bands. In particular, shear localisation is associated with brittle behaviour under low confining pressures, while under increasing confining pressures, their failure gradually becomes more ductile with the onset and propagation of compaction bands. The orientation and size of these localisation bands vary with the loading and material properties. As a consequence, a correct description of the behaviour of porous sandstones must take into account all these characteristics of localised failure. As a departure from existing approaches that take into account the orientation of localisation band, we present in this study a new approach to incorporate both size and orientation of localisation zone in constitutive models for geomaterials. Based on this approach, a breakage mechanics constitutive model is enhanced with localised mode of failure and used for the post-localisation analysis of porous sandstones. The concepts together with technical details, and numerical results are presented to show the potentials of the new approach. | - |
dc.description.statementofresponsibility | Giang D.Nguyen, Chi T.Nguyen, Ha H.Bui, Vinh P.Nguyen | - |
dc.language.iso | en | - |
dc.publisher | Elsevier | - |
dc.rights | © 2015 Elsevier Ltd.All rights reserved. | - |
dc.source.uri | http://dx.doi.org/10.1016/j.ijrmms.2015.12.018 | - |
dc.subject | Localisation; Size effects; Geomaterials; Porous sandstones; Compaction bands; Constitutive modelling | - |
dc.title | Constitutive modelling of compaction localisation in porous sandstones | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1016/j.ijrmms.2015.12.018 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/DP110102645 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/FT140100408 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/LP130100088 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/DP160100775 | - |
pubs.publication-status | Published | - |
Appears in Collections: | Aurora harvest 3 Civil and Environmental Engineering publications |
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