Abstract
This note shows that in a cross-anisotropic soil, pressuremeter tests can give values of the horizontal to horizontal shear modulus which can be used to predict deformation. The theoretical analysis is similar to that of Gibson and Anderson (1961) for the isotropic case and assume that the soil is homogeneous over the limited depth affected by the pressuremeter. The author derives expressions for displacement and strains using the equations of elasticity; it is shown that there is no change in mean total stress. A typical pressuremeter test plot is used to show the relation between radial displacement of the membrane and cell pressure. Four other independent parameters are required to describe completely the behaviour of a homogenous linearly elastic cross-anisotropic soil. These can be obtained from laboratory tests. (Author)
Published Version
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