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The rock stregnth device: a scratching apparatus to determine rock properties
Dagrain, Fabrice  ; Richard, Thomas; Germay, C.
2006
 

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Abstract :
[en] The present paper presents a portable apparatus, the Rock Strength Device (RSD), and the methodology to assess mechanical properties of cohesive granular material from 'partially-destructive' scratching tests with rectangular cutters (the material surface is just scratched at shallow depth). A correlation between the intrinsic specific energy (measured in the scratch test) and the uniaxial compressive strength has been built on more than 200 rock samples, and a correlation between the friction angle at the wear flat/rock interface and the internal friction angle of the material is given for 20 different rocks. The test provides also a 'continuous' log of the material properties along the groove with a wide range of practical applications.
Disciplines :
Mechanical engineering
Author, co-author :
Dagrain, Fabrice ;  Université de Mons > Faculté Polytechnique > Génie civil et Mécanique des Structures
Richard, Thomas
Germay, C.
Language :
English
Title :
The rock stregnth device: a scratching apparatus to determine rock properties
Publication date :
30 May 2006
Event name :
7th National Congress on Theoretical and Applied Mechanics
Event place :
Mons, Belgium
Event date :
2006
Research unit :
F801 - Génie civil et Mécanique des Structures

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