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Scratching test applied for on-site determination of compressive strength on historical mortars
VanParys, Laurent; Dagrain, Fabrice
2006
 

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Abstract :
[en] This paper presents a scratching device, daily used by the petroleum industry, for the measurement of mechanical properties of rock materials. The scratching test has already shown its suitability in that field and the paper proposes to extend it for the on-site determination, from a small piece of mortar, of the uniaxial compressive strength - UCS. First, it presents the method : the data recorded during a scratching test are interpreted thanks to a phenomenological model in order to compute the intrinsic specific energy - e - of the material, which is correlated with the UCS. Afterwards, the paper presents the results of a preliminary calibration campaign performed on lab mortars in order to determine the relation between e and the UCS. Finally, it depicts the application of the technique in the framework of stabilisation works on the Our-Lady cathedral of Tournai (UNESCO World Heritage). The preliminary results are encouraging and further researches are in progress
Research center :
URBAINE - Urbanisation Revitalisation Bâtiment Architecture Innovations Espaces
Disciplines :
Mechanical engineering
Author, co-author :
VanParys, Laurent  ;  Université de Mons > Faculté Polytechnique > Génie civil et Mécanique des Structures
Dagrain, Fabrice ;  Université de Mons > Faculté Polytechnique > Génie civil et Mécanique des Structures
Language :
English
Title :
Scratching test applied for on-site determination of compressive strength on historical mortars
Publication date :
29 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
Research institute :
R400 - Institut de Recherche en Science et Ingénierie des Matériaux
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