Estudio del comportamiento de una muestra de suelo arcilloso para el uso en sub-rasantes por medio del ensayo cbr utilizando caucho molido de neumático en diferentes porcentajes y distintos diámetros

Abstract

The study focuses on the evaluation of the behavior of a clayey soil sample when incorporating recycled polymer (recycled tire rubber grains - GCR) at three different dosages (5%, 10%, and 15% by mass). The soil samples were classified as CL (low-plasticity clay) under the Unified Soil Classification System (SUCS) and A-6 under the AASHTO system. These soils are composed of inorganic clays with low to medium plasticity and have a maximum CBR of 7.4%. The research aimed to assess the potential for using GCR as a soil improvement material for road construction. The study revealed that the addition of both fine and coarse GCR did not significantly improve the CBR results, with a decrease in percentages observed at various addition levels. Consequently, it was concluded that GCR may not be suitable for enhancing the performance of this type of expansive soil.