Interaction between geological and geotechnical investigations of a sandstone residual soil

This paper discusses results of geological and geotechnical investigations carried out on a residual soil originated from the weathering of a southern Brazil sandstone, the Botucatu formation. Triaxial compression tests with local strain measurement were used for the evaluating stiffness and strengt...

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Veröffentlicht in:Engineering geology 2005-04, Vol.78 (1), p.1-9
Hauptverfasser: Martins, Flávia Burmeister, Ferreira, Pedro Miguel Vaz, Flores, Juan Antonio Altamirano, Bressani, Luiz Antônio, Bica, Adriano Virgílio Damiani
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container_title Engineering geology
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creator Martins, Flávia Burmeister
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Flores, Juan Antonio Altamirano
Bressani, Luiz Antônio
Bica, Adriano Virgílio Damiani
description This paper discusses results of geological and geotechnical investigations carried out on a residual soil originated from the weathering of a southern Brazil sandstone, the Botucatu formation. Triaxial compression tests with local strain measurement were used for the evaluating stiffness and strength parameters of this soil. Its microstructure was investigated using both optical and scanning electron microscopy. Important differences observed in relation to the expected geomechanical behaviour of structured soils are explained by considering details of soil fabric shown by these microscopy analyses.
doi_str_mv 10.1016/j.enggeo.2004.10.003
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source Elsevier ScienceDirect Journals Complete
subjects Applied sciences
Buildings. Public works
Exact sciences and technology
Geotechnics
Microstructure
Residual soil
Sandstone
Soil investigations. Testing
Triaxial compression test
title Interaction between geological and geotechnical investigations of a sandstone residual soil
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