Determination of soil strength characteristics performing the plate bearing test
Date Issued
2005
Author(s)
Abstract
In the international literature there is often confusion between the
terms Modulus of Elasticity EYoung and Modulus of Deformation EDef for homogenous, isotropic
masses, which, sometimes, plainly referred as Modulus E, without any further explanation.
In this paper a distinction between the EYoung and the EDef is being done and the interest
is concentrated in the Plate Bearing Test, which is commonly used in highway earthworks.
Moreover, a soil classification diagram is given, in which the soils are classified by
their shear strength parameters and their behavior, as totally elastic or elastoplastic, under
specific loading applied by rigid circular plate. Finally, a method for the estimation of the
soil parameters is proposed, using only the in-situ Plate Bearing Test. The study and the
documentation were supported by a presentation of theoretical examples, based on the Finite
Element Method.
terms Modulus of Elasticity EYoung and Modulus of Deformation EDef for homogenous, isotropic
masses, which, sometimes, plainly referred as Modulus E, without any further explanation.
In this paper a distinction between the EYoung and the EDef is being done and the interest
is concentrated in the Plate Bearing Test, which is commonly used in highway earthworks.
Moreover, a soil classification diagram is given, in which the soils are classified by
their shear strength parameters and their behavior, as totally elastic or elastoplastic, under
specific loading applied by rigid circular plate. Finally, a method for the estimation of the
soil parameters is proposed, using only the in-situ Plate Bearing Test. The study and the
documentation were supported by a presentation of theoretical examples, based on the Finite
Element Method.
Subjects
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