MÉNARD PRESSUREMETER TEST – PMT ON MINING INDUSTRY GEOMATERIAL
MÉNARD PRESSUREMETER TEST – PMT ON MINING INDUSTRY GEOMATERIAL
The pressuremeter test presents the attractive possibility of being used to derive soil properties to be used in indirect design methods. This article presents some results of PMT tests carried out on mining storages facilities. A procedure for analyzing the expansion of a cylindrical cavity proposed by Mantaras and Schnaid (2002) in cohesive-frictional materials is applied, with the aim of providing a theoretical framework to give rational support for analyses of pressure meter tests. The solution, formulated within the framework of non-associated plasticity and solved with the Euler method, was used to reproduce the measured test data. The Theoretical Simulation Analysis methodology of the pressure curve obtained in the field was used to estimate the set of values of the variables of the likely Mohr-Coulomb model. Application of the proposed approach is particularly relevant in the mining stores facilities. The mathematical interdependence of the variables also allowed us to establish the impact of the uncertainty of each parameter on the model's mathematical response. It is therefore suggested that the Mantaras and Schnaid (2002) solution can represent fundamental features of structured materials, which have not been incorporated in previously proposed models.
Carlos Silva; Eduardo Fonseca; Ezequias Borges; Edgar Odebrecht; F. Mantaras
8th International Symposium on Pressuremeters (ISP2025)
Site Characterization and parameter determination
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