This paper reports an experimental study concerning the frictional behaviour of sand-solid structure interfaces. The study was performed using a constant normal stiffness (CNS ) direct shear box. Three natural silica sands and four aluminium plates with different roughnesses were investigated. A comparison between constant normal load (CNL) and CNS tests is reported. The influence of the main factors controlling the frictional behaviour of the investigated materials such as: constant normal stiffness, roughness of solid surface, sand properties and relative density, initial effective normal stress are analysed and discussed.

Interface behaviour of sands from constant normal stiffness direct shear tests

PORCINO, Daniela Dominica
;
2003-01-01

Abstract

This paper reports an experimental study concerning the frictional behaviour of sand-solid structure interfaces. The study was performed using a constant normal stiffness (CNS ) direct shear box. Three natural silica sands and four aluminium plates with different roughnesses were investigated. A comparison between constant normal load (CNL) and CNS tests is reported. The influence of the main factors controlling the frictional behaviour of the investigated materials such as: constant normal stiffness, roughness of solid surface, sand properties and relative density, initial effective normal stress are analysed and discussed.
2003
Constant normal stiffness; Direct shear box; FrictionIn; terface Sand-solid
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.12318/856
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