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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…

Providing for Road User Error in the Safe System
This project investigated the feasibility and cost of moving towards a truly Safe System infrastructure. The key feature of such an infrastructure is that it be designed to preserve safety in the face of driver fallibility.
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.
Investigation of Key Crash Types: Run-off-road and Head-on Crashes in Urban Areas: Final Report
This report collates research into factors contributing to the incidence and severity of run-off-road and head-on collisions on urban roads in Australia and New Zealand. It also identifies possible measures to reduce the incidence and severity of…
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.…