Étude expérimentale de I'interface sol-structure dans les milieux granulaires

Many civil engineering problems, such as retaining walls, soil nailed structures or piles involve interaction between soil and structural elements. Behaviour of interfaces between soils and structures plays a keys role in the design and analysis of these structures. The ring simple shear apparatus i...

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Bibliographic Details
Published in:Revue française de génie civil 1997-01, Vol.1 (2), p.345-366
Main Authors: Lerat, Patrick, Boulon, Marc, Schlosser, François
Format: Article
Language:English
Subjects:
annular shear
cisaillement annulaire
cisaillement simple
essai de laboratoire
friction
frottement
granular medium
gravel
gravier
interface
laboratory test
milieu granulaire
roughness
rugosité
sable
sand
shearing
simple shear
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Summary:Many civil engineering problems, such as retaining walls, soil nailed structures or piles involve interaction between soil and structural elements. Behaviour of interfaces between soils and structures plays a keys role in the design and analysis of these structures. The ring simple shear apparatus is especially designed for studying and measuring interface behaviour between soil (there, dry sand) and steel element. The results presented herein are obtained by friction between a steel cylinder, smooth or rough, and samples of Hostun graved. The main factors which affect the friction and its mobilisation are overburden pressure, the roughness of the surface and the relative density of the soil. An observation at the bottom of the sample allows the determination of the displacement and the rotation of the grains inside the interface layer.
ISSN:1279-5119
DOI:10.1080/12795119.1997.9692123