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Sprayed Sealing – Calibration of Bitumen Sprayers
This Pavement Work Tip provides information on the essential elements of the calibration process for bitumen sprayers.
Sprayed Sealing – Selecting Aggregate Size
This Pavement Work Tip details the general principles affecting aggregate size selection and provides recommended aggregate sizes for a range of sealing treatments.
Sprayed Seals – Pre-spraying to Correct Surface Texture
This Pavement Work Tip outlines the procedure to allow for surface texture variations by pre-spraying of additional binder.
Sprayed Sealing – Minimising Handwork
This Pavement Work Tip provides instructions on how to minimise sprayed sealing handwork and gives some suggestions for maximising the use of a sprayer when sealing tapers and roundabouts.
Sprayed Seals – Aggregate Spread Rates and Spreader Calibration
This Pavement Work Tip describes the requirements for the selection of an appropriate design aggregate spread rate and the calibration of aggregate spreading equipment for uniformity and consistency of output.
Sprayed Sealing in Extremely Hot Weather
This Pavement Work Tip refers to minimising the risk of bleeding when carrying out sprayed sealing work during extreme hot weather events, especially when subject to slow moving or stationary heavy traffic, or unusually heavy loads.
Sprayed Sealing of Drought and Salt Affected Pavements
This Pavement Work Tip is a practical guide to sprayed sealing in areas where a pavement may be affected by drought or salt content in its construction.
Review of Surface Texture Measurement Method for Seal Design Input
This report presents an extensive literature review of pavement surface texture measurement methods with a specific interest in how they affect operator safety and delays to traffic. The literature review shows that there are a number of methods in…
Review of Foamed Bitumen Sealing in Australia
In 1993, Austroads performed an extensive trial of foamed bitumen sprayed sealing in Australia, as a part of environmental and energy effective sealing technology development program. The trials were conducted in various states and reported to be…
Seal Distress Mechanisms: An Initial Study into Flushing
A review of bleeding or flushed seals was undertaken to determine what physical changes had taken place within the seal that had resulted in the binder lying at or close to the surface. The evaluation process used a visual appraisal and a digital…