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Soils and Rocks
<p> <span style="mso-ansi-language: EN-US;" lang="EN-US">The Standard Penetration Test (SPT), widely used in Brazil, provides reference data to geotechnical projects. The data obtained are punctual and often dispersed due to its execution, that is, there is no concern in gathering and analyzing such information jointly for a specific region....
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<p>To investigate the effect of particle size on mechanical properties of calcareous sand, a series of consolidated drained triaxial tests were performed on calcareous sand with different particle sizes. At a low effective confining pressure of 50 kPa, the shear peak strength increases with the increasing particle size. However, under a relatively large ef...
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<p>A constitutive model is proposed for describing the stress-strain behavior of saturated residual soils based on experimental observations from oedometer testing, triaxial and direct shear testing. The model is formulated within the classical theory of plasticity with a non-associated flow rule. In order to reproduce particular features of residual soils...
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<p>Most methods available in the literature for soil classification from cone penetration test (CPT) data define soil classes using laboratory tests. One disadvantage of this approach is that field soil conditions are difficult to replicate in a lab. The alternative adopted in this work is trying to define soil classes only by the similarity of the CPT mea...
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