Evaluación de un pavimento flexible aplicando el método Pavement Condition Index - PCI
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Universidad Santo Tomás. Seccional Bucaramanga
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Toda calzada pavimentada permite la accesibilidad e interconexión entre zonas rurales y urbanas, contribuyendo además con la disminución de la indigencia y el desarrollo socioeconómico de las diferentes ciudades del Perú y del mundo. La presente investigación tuvo como objetivo aplicar el método Pavement Condition Index (PCI) para determinar la condición técnica superficial de un pavimento flexible. El área de estudió fue la av. Chiclayo, conformada por 3 vías, siendo de interés las dos laterales, pavimentadas con material asfáltico. Se inventariaron 343 fallas a lo largo de los 6.30 km de la calzada con dirección Este a Oeste (av. Agricultura - Panamericana Norte), mientras que para la otra calzada en dirección Oeste a Este (Panamericana Norte - av. Agricultura), se evaluaron 324 unidades de muestreo, presentándose en mayor cantidad las fallas de “desprendimiento de agregados (falla superficial)” y la de “ahuellamiento (falla estructural)”. Respecto a la condición de servicio, el pavimento en la dirección Este a Oeste presentó un PCI de 38, lo que lo calificó en una condición de servicio “malo”, similar a la calzada de sentido contrario para la que se obtuvo un PCI de 23, es decir presentó una condición de servicio “muy malo”. Finalmente se efectuó el ensayo de “Extracción de Asfalto”, normado en la ASTM D 2172, con la cual se buscó conocer la cantidad de bitumen presente en la superficie de rodadura, que de acuerdo a los resultados obtenidos ésta presenta un desgaste, lo que estaría incidiendo en la generación y propagación de fallas.
Every paved road allows accessibility and interconnection between rural and urban areas, also contributing to the reduction of poverty and the socioeconomic development of the different cities of Peru and the world. The present research aimed to apply the Pavement Condition Index (PCI) method to determine the surface technical condition of a flexible pavement. The study area was av. Chiclayo, made up of 3 lanes, the two lateral ones being of interest, paved with asphalt material. 343 faults were inventoried along the 6.30 km of the road with an east-west direction (Av. Agricultura - Panamericana Norte), while for the other road in a west-east direction (Panamericana Norte - Av. Agricultura), they were evaluated 324 sampling units, with the "aggregate detachment (surface failure)" and "rutting (structural failure)" faults occurring in a greater number. Regarding the service condition, the pavement in the east-west direction presented a PCI of 38, which qualified it in a "bad" service condition, similar to the road in the opposite direction for which a PCI of 23, that is, it presented a "very bad" service condition. Finally, the " Extraction of Asphalt" test was carried out, regulated in ASTM D 2172, with which it was sought to know the amount of bitumen present on the rolling surface, which, according to the results obtained, shows wear, which it would be influencing the generation and propagation of faults.
Every paved road allows accessibility and interconnection between rural and urban areas, also contributing to the reduction of poverty and the socioeconomic development of the different cities of Peru and the world. The present research aimed to apply the Pavement Condition Index (PCI) method to determine the surface technical condition of a flexible pavement. The study area was av. Chiclayo, made up of 3 lanes, the two lateral ones being of interest, paved with asphalt material. 343 faults were inventoried along the 6.30 km of the road with an east-west direction (Av. Agricultura - Panamericana Norte), while for the other road in a west-east direction (Panamericana Norte - Av. Agricultura), they were evaluated 324 sampling units, with the "aggregate detachment (surface failure)" and "rutting (structural failure)" faults occurring in a greater number. Regarding the service condition, the pavement in the east-west direction presented a PCI of 38, which qualified it in a "bad" service condition, similar to the road in the opposite direction for which a PCI of 23, that is, it presented a "very bad" service condition. Finally, the " Extraction of Asphalt" test was carried out, regulated in ASTM D 2172, with which it was sought to know the amount of bitumen present on the rolling surface, which, according to the results obtained, shows wear, which it would be influencing the generation and propagation of faults.
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Pavement Condition Index, Service conditions, Severity, Failures, Maintenance, Índice de Condición del Pavimento, Condición de servicio, Severidad, Fallas, Mantenimiento
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