Abstract
The property of incremental nonlinearity indicating that the tangent stiffness/ compliance depends on the direction of strain/ stress rate has received much attention in recent years. Experimental results by the triaxial and hollow cylindrical triaxial tests among others have clearly shown that the incremental nonlinearity is a common feature of deformation of granular materials like sand under complex loading paths including the rotation of principal stress axes. The incremental nonlinearity may be considered as a natural consequence from the view of micromechanisms for inelastic deformation of granular materials. Responding to experimental observations, many types of constitutive equations have already been proposed with different concepts and mathematical structures.
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© 1997 Springer Science+Business Media Dordrecht
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Tobita, Y. (1997). Importance of Incremental Nonlinearity in the Deformation of Granular Materials. In: Fleck, N.A., Cocks, A.C.F. (eds) IUTAM Symposium on Mechanics of Granular and Porous Materials. Solid Mechanics and its Applications, vol 53. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5520-5_13
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DOI: https://doi.org/10.1007/978-94-011-5520-5_13
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