Publications

This report details the experimental program, analysis and findings of the assessment of the impacts of axle mass increases on road deterioration for sprayed seal surfaced unbound granular pavements. Load-damage exponents ranged between two and four…

This report presents the final outcome of an investigation to review, analysis and identify suitable sealed granular pavement sections for inclusion in the LTPP study. The investigation identified 69 sealed granular pavement test sections across…

This document describes the results of field trials held in Christchurch, New Zealand in May 2005. The objective of the trials was to gain further understanding of the complex relationship between the various test devices currently utilised to…

This document contains estimates of road user unit costs for use in Australia, calculated as at 30 June 2005. The unit costs are presented in a format suitable for use with most road project evaluation models, techniques, and software used by…

This report provides descriptions of processes for setting maintenance intervention criteria and allocating budgets. Due to the multi-objective nature of road asset management activities, the decision process including setting maintenance…

This report is an update of earlier Austroads sprayed seal design procedures based on the philosophy of filling voids in the aggregate matrix with binder to a depth of about one half to two thirds the height of the aggregate when laying on its least…

Road authorities in Australia and New Zealand have an established system of vehicle classification. The system is the Austroads classification system that was last updated in 1994. This system provides vehicle classification by axle configuration or…

This report addresses the issue of calculating ESA-km in the road maintenance funding formula of AusLink This study recommends the use of an average ESA per heavy vehicle class in the funding formula This requires each jurisdiction to prepare from…

This report gives information on the development of a procedure to fractionate bitumen using an Iatroscan liquid chromatography system, and also presents test results on a range of Australian bitumens. An introduction discusses the topic of bitumen…

The suitability of the CoreLok device was assessed for estimating the bulk density of compacted asphalt specimens. The device encloses a sample in a plastic bag which is subjected to vacuum and sealed. Results were compared to saturated surface dry…