Application of macrotexture and friction parameters in pavement management for road safety

Luis Alfonso Moreno-Ponce; Lucy Elizabeth Solórzano-Villegas; Daniel David Carvajal-Rivadeneira; Martha Johana Álvarez-Álvarez

Autores/as

Moreno-Ponce Luis Alfonso Universidad Estatal del Sur de Manabí. Jipijapa, Ecuador. https://orcid.org/0009-0000-9026-1009
Solórzano Villegas Lucy Elizabeth Universidad Estatal del Sur de Manabí. Jipijapa, Ecuador. https://orcid.org/0000-0002-9903-5304
Carvajal-Rivadeneira Daniel David Universidad Estatal del Sur de Manabí. Jipijapa, Ecuador. https://orcid.org/0000-0002-5288-5483
Álvarez-Álvarez Martha Johana Universidad Estatal del Sur de Manabí. Jipijapa, Ecuador. https://orcid.org/0000-0002-9879-0367

Palabras clave:

Macrotextura; Fricción; IFI; Gestión del pavimento; Seguridad vial

Resumen

DOI: https://doi.org/10.46296/ig.v8i16.0303

Resumen

El estudio abordó mejoras en la seguridad vial mediante la integración de parámetros de macrotextura y fricción en un Sistema de Gestión de Pavimentos (PMS). El objetivo fue desarrollar y validar un marco que armonizara mediciones heterogéneas mediante el Índice Internacional de Fricción (IFI), estableciera umbrales operativos y produjera una priorización orientada al riesgo de intervenciones dirigidas a la pérdida de resistencia al deslizamiento. Se aplicaron procedimientos de adquisición estandarizados (perfilometría 2D/3D para MPD/ETD y mediciones de fricción continua/puntual), junto con controles de QA/QC, un flujo de trabajo ETL, conversión a IFI (ASTM E1960), estratificación por clase funcional y clima, y derivación de umbrales mediante análisis ROC/percentiles; la priorización se realizó con un esquema multicriterio (condición, exposición, coste y beneficio esperado). Los resultados mostraron series de IFI trazables por segmento, umbrales diferenciados por tipología de carretera y una lista jerarquizada de secciones críticas consistente con los registros de exposición y accidentes, lo que permitió una programación más efectiva de los tratamientos de conservación. Se concluyó que la integración propuesta permitió tomar decisiones reproducibles y auditables, enfocando los recursos donde el impacto esperado en la reducción del riesgo es mayor; se recomendó la calibración local de coeficientes y la incorporación progresiva de métricas 3D y series de tiempo para fortalecer la predicción y el monitoreo operativo.

Palabras clave: Macrotextura; Fricción; IFI; Gestión del pavimento; Seguridad vial.

Abstract

The study addressed improvements in road safety by integrating macrotexture and friction parameters into a Pavement Management System (PMS). The objective was to develop and validate a framework that harmonised heterogeneous measurements via the International Friction Index (IFI), established operational thresholds, and produced a risk-oriented prioritisation of interventions targeting loss of skid resistance. Standardised acquisition procedures were applied (2D/3D profilometry for MPD/ETD and continuous/spot friction measurements), together with QA/QC controls, an ETL workflow, conversion to IFI (ASTM E1960), stratification by functional class and climate, and threshold derivation using ROC/percentile analyses; prioritisation was performed with a multicriteria scheme (condition, exposure, cost, and expected benefit). The results showed traceable IFI series by segment, differentiated thresholds by road typology, and a ranked list of critical sections consistent with exposure and crash records, enabling more effective programming of preservative treatments. It was concluded that the proposed integration enabled reproducible and auditable decisions, focusing resources where the expected impact on risk reduction is greatest; local calibration of coefficients and the progressive incorporation of 3D metrics and time series were recommended to strengthen prediction and operational monitoring.

Keywords: Macrotexture; Friction; IFI; Pavement management; Road safety.

Información del manuscrito:
Fecha de recepción: 08 de julio de 2025.
Fecha de aceptación: 18 de septiembre de 2025.
Fecha de publicación: 27 de octubre de 2025.

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Citas

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