Uso de pavimento con Plástico Reciclado en pavimentos flexibles como alternativa ecológica.

Abstract

Over the last 50 to 60 years, humans have contributed to the degradation and unsustainable use of approximately 60% of ecosystems. This deterioration has generated negative consequences, since the resources that these ecosystems provide us are being depleted. Therefore, the project aims to evaluate the technical, economic and environmental feasibility of recycled plastic aggregate in flexible pavements, with the objective of evaluating the technical, economic and environmental feasibility of recycled plastic aggregate in flexible pavements, in order to develop a more sustainable and eco-friendly road infrastructure. This research is classified as experimental, since it involves the direct manipulation of the independent variables to determine if these modifications generate changes in the dependent variables. For the preparation of the asphalt mixture with PAR, the procedure established in the AASHTO and ASTM standards and the General Specifications for Road and Bridge Construction MOP - 001-F 2002 was followed, using a Marshall apparatus. The analysis of the maximum theoretical specific gravity (Gmm) in aggregate mixtures shows a progressive decrease in the value of Gmm as the asphalt content increases, going from 2.457 g/cm³ with 5.0% asphalt to 2.377 g/cm³ with 7.0%. This behavior indicates an inverse relationship between the asphalt content and the theoretical density of the mixes. The results show that the increase in asphalt content causes a greater volume of voids in the mixes, thus reducing the total density of the compacted material. This pattern is consistent with previous studies that indicate that excess asphalt can decrease the internal cohesion of the mixes and increase the susceptibility to deformation.