2024-03-29T15:40:39Zhttps://riubu.ubu.es/oai/requestoai:riubu.ubu.es:10259/76512023-04-21T00:05:20Zcom_10259_4204com_10259_5086com_10259_2604col_10259_5373
Pérez Acebo, Heriberto
Linares Unamunzaga, Alaitz
Rojí, Eduardo
Gonzalo Orden, Hernán
2020-01
Pavement performance models play a vital role in any pavement management system.
The Regional Government of Biscay (RGB) (Spain) manages a 1200 km road network and conducts
pavement data collections, including the International Roughness Index (IRI) values. The aim of the
paper is to develop an IRI performance model for two-lane roads with flexible pavement until the
first maintenance and/or rehabilitation activity is performed. Due to the huge amount of available
information, a deterministic model was selected. A literature review of deterministic models showed
that, apart from age and traffic volumes, the pavement structure is a key factor. Therefore, it was
decided to analyze the only road stretches whose entire pavement section was known (surface layer
+ base + subbase). Various variables related to age, traffic volumes and employed materials were
introduced as possible factors. The multiple linear regression model with the highest coefficient of
determination and all the variables significant included the real pavement age, the cumulated heavy
traffic and the total thickness of bituminous layers. As the material employed in the surface layer
could affect roughness progression, a qualitative variable was introduced to consider various surface
materials. The model improved its accuracy, indicating that the surface layer material is also an
influencing factor on IRI evolution.
application/pdf
http://hdl.handle.net/10259/7651
eng
MDPI
IRI Performance Models for Flexible Pavements in Two-Lane Roads until First Maintenance and/or Rehabilitation Work
info:eu-repo/semantics/article
TEXT
RIUBU. Repositorio Institucional de la Universidad de Burgos
Hispana