Análise comparativa da irregularidade longitudinal por faixas de tráfego na rodovia ce-401 obtida por aplicativo para smartphones

Abstract

The longitudinal irregularity is one of the parameters most used in the evaluation of the functional quality of a road pavement. Currently, the floor management bodies have the challenge of developing a method that obtains longitudinal unevenness data of the pavements in a precise way and at the same time using equipment of low cost of acquisition and easy operation. This makes these bodies use, in most cases, subjective assessments based on opinions of evaluators, which are inaccurate, in addition to classifying the amount of comfort to the rolling of the highway in a global way, not considering some specific stretches and traffic lanes in which the irregularity is greater in relation to the average of the highway. The study of the use of applications for smartphone as an alternative to the traditional methods of evaluation of the functional quality of the highways has been developed in the last decades in several countries, since it is a method of low acquisition value, easier operation and accuracy than subjective evaluations. In this research the smartIRI application was developed, developed at the Federal University of Ceará (UFC) to perform a comparative analysis of the functional quality among the 6 traffic lanes in a 4.1km extension of the highway CE-401. The results identify the bands that presented the worst functional quality and 4 stretches common to the 6 tracks where the quality was lower in relation to the rest of the stretch. With the work, it is hoped to help the road management organs in the decision-making process for the strategies of maintenance and rehabilitation of the functional condition and, consequently, the quality of the comfort to the roll of the users.