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Modelling of tool-rock shear interfaces using gradient-dependent flow theory of plasticity
This item is provided by the institution :
National Technical University of Athens
Repository :
Digital Library of National Technical University of Athens | Dspace@NTUA
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ΕΚΤ item type
Journal part
(EN)
Scientific article
(EN)
EKT year
1992
(EN)
EKT historical period
Title
Modelling of tool-rock shear interfaces using gradient-dependent flow theory of plasticity (EN)
Creator
Papanastasiou, P (EN)
Shah, KR (EN)
Vardoulakis, I (EN)
Description
In this paper the mechanics of drilling tool-rock interfaces under shear are studied by means of consistent second-grade generalization of the flow theory of plasticity for frictional, cohesion-softening material. Boundary conditions are formulated on the basis of the second-order virtual work equation. Numerical results based on a finite element analysis of an example are presented and are critically discussed. © 1992. (EN)
Type
journalArticle (EN)
Subject
Mining & Mineral Processing (EN)
Rock drills (EN)
Cohesion softening materials (EN)
Tool-rock shear interfaces (EN)
Finite element method (EN)
Friction (EN)
Interfaces (materials) (EN)
Gradient dependent flow (EN)
Plasticity (EN)
Engineering, Geological (EN)
Flow of solids (EN)
Shear stress (EN)
Rocks (EN)
Mathematical models (EN)
Virtual work equations (EN)
Provider
National Technical University of Athens
Repository / collection
Digital Library of National Technical University of Athens | Dspace@NTUA
Subcollections
Κεντρική Βιβλιοθήκη Ε.Μ.Π.
Ιδρυματικό Αποθετήριο
Δημοσιεύσεις μελών Δ.Ε.Π. σε περιοδικά
Journal
International Journal of Rock Mechanics and Mining Sciences and (EN)
Language
English
Issued
1992 (EN)
Identifier
http://hdl.handle.net/123456789/10743
573 (EN)
10.1016/0148-9062(92)91615-C (EN)
6 (EN)
29 (EN)
ISI:A1992KB11700005 (EN)
0148-9062 (EN)
582 (EN)
Publisher
PERGAMON-ELSEVIER SCIENCE LTD (EN)
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