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Mechanical Properties and Failure Patterns of Migmatized Gneiss with Metamorphic Foliation Under UCS Test

  • Andrea BerčákováEmail author
  • Rostislav Melichar
  • Kamil Souček
Technical Note
  • 147 Downloads

Introduction

Preferentially oriented, primary structures within the rock matrix such as schistosity, foliation, lamination and/or cleavage are responsible for anisotropic behaviour in rocks (Singh et al. 1989; Ramamurthy 1993; Nasseri et al. 2003; Esamaldeen et al. 2014). For rocks with an anisotropic structure, their mechanical, hydraulic and/or seismic properties change and vary with different directions of loading (Agliardi et al. 2014). The irregular structure can also change the failure mode of the intact rock and influence secondary crack propagation. The mechanical behaviour of anisotropic rocks including the strength and deformation properties, as well as failure patterns of the rocks, has been studied by many researchers (Ramamurthy 1993; Nasseri et al. 2003; Ghazvinian et al. 2012; Basu et al. 2013; Esamaldeen et al. 2014; Plinninger and Alber 2015; Singh et al. 2015; Usol’tseva et al. 2017; Yin and Yang 2018).

Knowledge of the mechanical properties and failure mechanism of...

Keywords

Mechanical anisotropy Metamorphic foliation Shear fracture Tensile fracture Uniaxial compressive strength 

Notes

Acknowledgements

The research was funded by Project of the Institute of Clean Technologies for Mining and Utilization of Raw Materials for Energy Use under National Sustainability Program I (identification code: LO1406). The article was also supported by a project for the long-term conceptual development of research organisations (RVO: 68145535). The work was also written in connection with a project r/o no. CZ.02.1.01/0.0/0.0/16_013/0001792; RINGEN—research infrastructure upgrade, supported by the Research, Development and Education Operational Programme.

Compliance with Ethical Standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© Springer-Verlag GmbH Austria, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Institute of Geonics of the Czech Academy of SciencesOstrava-PorubaCzech Republic
  2. 2.Department of Geological Sciences, Faculty of Science, Masaryk UniversityBrnoCzech Republic

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