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Double/Double Primerseal Inspections

This report describes inspections conducted on double/double primerseals constructed in Victoria.

It is not typical practice to use two-layer primerseals, or polymer modification in primerseals, and methods to do so are not described by Austroads…

Inspections of Sprayed Seal Trials

This report details the findings from visual inspections conducted on two Austroads sprayed seal field trials: a non-modified binders trial near Gisborne,

Initial Field Trials with Surface Wear Rig

A mobile pavement surface wear rig has been constructed, which aims to gain an improved understanding of the failure mechanisms that are particular to the pavement surfacing layer – as distinct from the structural layers – that may be caused by…

Good Practice in Reseal Programming

This report provides asset managers with practical guidance in the development and delivery of effective resealing programs. It builds on accumulated experience of previous studies and a review of sprayed seal performance throughout Australasia.

Post-ageing Characterisation of Sprayed Sealing Binders: A Laboratory Study

This report presents the results of a laboratory study that was conducted as part of the development of a new-long term ageing (durability) test for bituminous binders used in sprayed seals in Australia.

Among the number of test methods reviewed and…

Joints in Geotextile Reinforced Seals
This Pavement Work Tip provides a guide to jointing techniques in geotextile reinforced seals.
Sprayed Sealing: Selection of Spraying Nozzles
This Pavement Work Tip provides a guide to the selection and use of bitumen spraying nozzles.
Model National Guidelines for Setting Speed Limits at High-risk Locations
This report incorporates recent research, best practice examples, and jurisdictional inputs to propose a set of model national speed limit guidelines for setting speed limits at high-risk locations. The model guidelines represent a harm reduction…
Methods for Reducing Speeds on Rural Roads: Compendium of Good Practice
This compendium presents information on speed as a contributor to rural road crashes. It provides information on treatments that can be used to address speed, either at key locations (curves, intersections or the approach to towns) or for routes in…
Literature Review of the Adhesion Mechanisms in Emulsion Seals

There has been renewed interest in emulsion seals in Australia, but an impediment to their widespread adoption has been perceived as adhesion problems. This study looks at adhesion test procedures and means of improving emulsion seal performance.…