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Numerical Modeling of Failure Process in Cohesive Geomaterials

Bifurcation and Degradation of Geomaterials in the New Millennium

type de publication      ouvrage scientifique (ou chapitre)
nom du livre Bifurcation and Degradation of Geomaterials in the New Millennium
date de publication 2015
auteur(s) Yao Chi; Jiang Q.H.; Shao Jian-Fu
  
éditeur Springer International Publishing
pages 39 – 45
ISBN / ISSN 978-3-319-13505-2
résumé This paper is devoted to numerical modeling of failure process in anisotropic rocks. An extended Rigid Block Spring Method (RBSM) is proposed to describe the onset and propagation of cracks. The continuous rock material is replaced by an equivalent discrete assembly of rigid blocks using the Voronoi scheme. The material strength and deformation are described by an appropriate constitutive law and failure criterion of interfaces between blocks. The proposed method is applied to an anisotropic rock containing parallel bedding planes. The influence of the initial anisotropy on the failure process of material is investigated.
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