Continuous visual survey: analysis of the TO-255 highway, from Porto Nacional of Monte do Carmo

Abstract

The present project proposed an evaluation of the surface conditions of the flexible pavement of the TO-255 highway, from Porto Nacional to Monte do Carmo - TO, accounting for 39.1 kilometers. In order to carry out the research, the method of surface evaluation of flexible pavement called Continuous Visual Survey - LVC, developed by DNIT and ruled by the standard 008/2003 - PRO was applied, in which it informs the necessary conditions for the accomplishment of the method, that occurs from of visits in loco to identify the main pathologies of the stretch. The method is based on the verification of the general state of the asphalt surface and the pathological manifestations present in it, resulting in 03 (three) indices that are: ICPF (Flexible Pavement Condition Index), IGGE (Global Expedited Gravity Index) and the IES (Index of Pavement Surface State). Forty surcharges with an extension of one kilometer each were analyzed, and through this research it was possible to classify the state of conservation of the current pavement as Great, Good, Fair, Poor and Poor, as well as the frequency of pathologies identified in the follow - up. Based on this analysis, the importance of planning that involves conservation and prevention measures on the pavement is evidenced, avoiding the worsening of the road conditions, thus allowing a conscious and effective management.