Análise de desempenho do reforço realizado no pavimento flexível do anel viário do campus da Universidade Federal de Juiz de Fora - JF

Abstract

Pavement is an engineering structure designed to receive efforts from traffic and maintain adequate structural and functional conditions of the road. In this sense, coating reinforcement is understood as the restoration in which takes advantage of the residual value of the structure that is already worn out. In 2020, the covering layer of the road ring at the Juiz de Fora's campus Federal University of Juiz de Fora (UFJF) was reinforced, using a geogrid in only one of the sections. Considering the characteristics of improving mechanical performance and preserving the structure present in the geogrid, the main objective of this work is to determine the cracked area present in the road ring, and the specific objective is to characterize mechanical parameters. Therefore, the DNIT 433/2021 norm presents the calculation parameters and the methodology for dividing homogeneous regions to obtain the cracked area. In the present study, the analyzes are carried out in the field, divided into five homogeneous sections, followed by the methods suggested by the norm. Furthermore, to obtain the mechanical parameters, laboratory tests are carried out on Tensile Strength by diametral compression, Resilient Modulus by diametral compression and Fatigue by diametral compression through samples from the mentioned experimental section with the geogrid.