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dc.contributor.authorResende, R.pt_BR
dc.contributor.authorFortunato, E.pt_BR
dc.contributor.authorAndrade, C.pt_BR
dc.contributor.authorMiranda, T.pt_BR
dc.contributor.editorR . Alejanopt_BR
dc.contributor.editorÁurea Peruchopt_BR
dc.contributor.editorClaudio Olallapt_BR
dc.contributor.editorRafael Jiménezpt_BR
dc.identifier.otherDOI: 10.1201/b16955-149pt_BR
dc.description.abstractVibrations in rockmasses can be a significant hazard, leading to human discomfort and structural damage. Recent cases of subway or tunnel excavation near existing dams in Portugal have raised again the importance of this topic. Traditional statistical tools have been used to study wave propagation in rock, but fall short when rock fracturing or faulting radically changes the way vibration propagates. Numerical models such as finite-element or finite-difference models also have some insufficiencies, namely in the way discontinuities are represented.We propose the utilization of bonded particlemodels based on the ParticleDiscrete ElementMethod. Synthetic rock samples are generated and their static elastic properties are calibrated by manipulating micro- properties (assembly organization and normal and shear contact stiffness). The static and dynamic properties of the rock cores are tested and the complete elastic response of the model is evaluated and discussed.pt_BR
dc.publisherCRC Presspt_BR
dc.titleVibration propagation in discrete element particle models of rockpt_BR
dc.identifier.localedicaoVigo, Spainpt_BR
dc.identifier.seminarioISRM European Rock Mechanics Symposium (EUROCK 2014)pt_BR
dc.identifier.localVigo, Spainpt_BR
dc.description.data27-29 May 2014pt_BR
Appears in Collections:DT/NIT - Comunicações a congressos e artigos de revista

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