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Determination of Resistance Parameters of Contaminated Compacted Tropical Soils in the State of Rio de Janeiro

Journal: International Journal of Advanced Engineering Research and Science (Vol.5, No. 7)

Publication Date:

Authors : ;

Page : 76-83

Keywords : direct shear (DS); clay; tension; friction angle; cohesion; liquid limit; plasticity limit; soil.;

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Direct shear (DS) tests with controlled shear rates were performed in two soils from the Baixada Fluminense region, in the city of São João do Meriti – Rio de Janeiro, Brazil. The first soil characterized as Inorganic Clay of high plasticity (CH) was located in a hillside region. The second soil characterized as medium plasticity clay (CL) was located in a central region of the studied area with a slight slope. The soils in question are deposited on non-compacted soft soil with the addition of Municipal Solid Waste (MSW). Both samples of compacted soil were excavated at a depth of 1.0 m, and undisturbed samples were collected. In addition to the previously mentioned tests, oedometric tests and soil physical classification tests were carried out to evaluate geotechnical parameters. In both tests the shear rate of 0.043 mm / min was adopted. The tests presented coherent results with probabilistic accuracy greater than 95% inreliability compared to three tests with compacted tropical soils.

Last modified: 2018-07-18 01:46:43