Predicting the performance of Australia's arterial and sealed local roads

This research report is based on the observational and experimental research data collected by the Australian Road Research Board (ARRB) between 1994 and 2017 aimed at producing for sealed flexible pavements deterministic road deterioration (RD) models (roughness, rutting, cracking and strength) and deterministic work effects (WE) models (asphalt overlays, granular re-sheeting and mill and replace asphalt). The arterial roads RD and WE models have undergone some refinements since they were first published in 2010. This report is aimed at ensuring that these models are easily comprehended and highly implementable for practitioners. More recently pavement performance analysis was conducted on pavements experiencing rapid deterioration as these pavements approach ultimate structural and functional failure. Some RD models for rapid deterioration were developed and are included in this report, although they are based on limited data and are not likely to be reliable predictors of rapid deterioration. However, they contribute to extending the range of factors relevant to pavement performance modelling, and a more comprehensive analytical framework. The deterministic RD and WE models for Australia’s arterial and sealed local roads documented in this report represent a substantial step change in the technology and the financial investment in research over some 23 years. These models have the capacity to improve the decision-making processes of all Australian road agencies under a variety of distresses, distress phases, conditions of climate and traffic loading and maintenance regimes. No models can be claimed to be 100% reliable; however, these RD and WE models, particularly those developed for arterial roads, have a high degree of utility and have contributed to a wider analytical framework for performance modelling in Australia. Some local calibration of the models may be needed to account for local factors such as reactive soils, drainage and material variability. This calibration is particularly important for local roads. More research in the future can be undertaken to improve the reliability, range and scope of these RD and WE models for all roads using the complete network-wide suite of road condition measurements and associated factors that are becoming available with advanced data collection techniques.

Media Info

  • Pagination: 75p
  • Serial:
    • Issue Number: ARR 390

Subject/Index Terms

Filing Info

  • Accession Number: 01666221
  • Record Type: Publication
  • Source Agency: ARRB
  • ISBN: 9781876592813
  • Files: ITRD, ATRI
  • Created Date: Apr 17 2018 12:30PM