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Rock Mechanics and Rock Engineering

Erschienen in:

01.01.2015 | Original Paper

Modelling the Shear Behaviour of Rock Joints with Asperity Damage Under Constant Normal Stiffness

verfasst von: Buddhima Indraratna, Sivanathan Thirukumaran, E. T. Brown, Song-Ping Zhu

Erschienen in: Rock Mechanics and Rock Engineering | Ausgabe 1/2015

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Abstract

The shear behaviour of a rough rock joint depends largely on the surface properties of the joint, as well as the boundary conditions applied across the joint interface. This paper proposes a new analytical model to describe the complete shear behaviour of rough joints under constant normal stiffness (CNS) boundary conditions by incorporating the effect of damage to asperities. In particular, the effects of initial normal stress levels and joint surface roughness on the shear behaviour of joints under CNS conditions were studied, and the analytical model was validated through experimental results. Finally, the practical application of the model to a jointed rock slope stability analysis is presented.

Vorheriger Artikel Finite Deformation Analysis on Sandstone Subjected to Thermo-Hydro-Mechanical (T-H-M) Coupling

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Titel: Modelling the Shear Behaviour of Rock Joints with Asperity Damage Under Constant Normal Stiffness
verfasst von: Buddhima Indraratna
Sivanathan Thirukumaran
E. T. Brown
Song-Ping Zhu
Publikationsdatum: 01.01.2015
Verlag: Springer Vienna
Erschienen in: Rock Mechanics and Rock Engineering / Ausgabe 1/2015
Print ISSN: 0723-2632
Elektronische ISSN: 1434-453X
DOI: https://doi.org/10.1007/s00603-014-0556-2

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