FUNCTIONAL EVALUATION OF FLEXIBLE PAVEMENT IN THE RURAL ROAD NETWORK OF PORTOVIEJO, ECUADOR
Keywords:
Functional evaluation, flexible pavements, road networks, road rehabilitationAbstract
The objective of this research work was to diagnose the state of the flexible pavement of the rural road network, in the Portoviejo canton, Manabí province. The technique that was used for the functional evaluation of the pavement was through the collection of data, observation and recording of failures through the PCI (Pavement Condition Index) methodology, the IRI (Pavement Regularity Index) and the PSI ( Pavement Serviceability Index). The population under study is located between the Mejía site and the Pechiche site, which are connected to a rural road 5500 meters (m) long and 6.40 m wide. The results indicate that the condition of the section analyzed gave a rating of 77, which places it in the Very Good classification, according to the PCI index. Through this method, it was determined that there are 6 types of failures in the 11 sample units analyzed, depending on the degree of incidence: Longitudinal fissure 22.86%, Rutting 20.00%, Crocodile Skin 17.14%, Lump and collapse 17.14%, Bump 14.29%, Slip crack 8.57%. Through the analysis of the PSI we obtained a rating of 4, taking the result of the IRI = 2. For this reason it can be concluded that the road requires maintenance of the minor type and of the major type, since of all types of localized faults on the study road there are faults with a considerable percentage such as longitudinal cracks, rutting and crocodile skin.
Keywords: Functional evaluation, flexible pavements, road networks, road rehabilitation.
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