Comparison between DS, DSS and Triaxial Resistance Tests in Compacted Tropical Soils in the State of Rio de Janeiro, Brazil

Viktor Labuto Fragoso Sereno Ramos *

Federal University of Rio de Janeiro, Brazil.

Claudio fernando Mahler

Federal University of Rio de Janeiro, Brazil.

Graziela Jannuzzi

Federal University of Rio de Janeiro, Brazil.

*Author to whom correspondence should be addressed.


Abstract

Direct shear (DS), Direct simple shear (DSS) and Triaxial 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 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 10.0 m, and undisturbed samples were collected. In both tests, the shear rate of 0.043 mm/min was adopted. The soil at Point 1 was characterized as a clay soil collected in a slope region and the soil at Point 2 is a sand and collected in a central region. The tests presented coherent results with probabilistic accuracy greater than 95% reliability in all three resistance tests.

Keywords: Direct simple shear, triaxial, sand, clay, tension, friction angle, cohesion, soil


How to Cite

Ramos, V. L. F. S., Mahler, C. fernando, & Jannuzzi, G. (2023). Comparison between DS, DSS and Triaxial Resistance Tests in Compacted Tropical Soils in the State of Rio de Janeiro, Brazil. Asian Soil Research Journal, 7(3), 1–11. https://doi.org/10.9734/asrj/2023/v7i3130

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