Surfacings & Pavements
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Evaluate the Effectiveness and Cost Benefit of Preventative Maintenance Treatments
Project Status: In ProgressMaintaining Western Australia’s vast road network to provide a consistent level of service is a complex and costly exercise. Depending on several factors not limited to design, materials, construction, traffic and environment, pavements will consume…
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The Impact of Large Stone Fractions on the California Bearing Ratio of Granular Pavement Materials
Project Status: In ProgressGranular materials used in the design and construction of pavement base and subbase layers are often assessed for suitability based on the California Bearing Ratio (CBR) value. This measure provides an indication of the load…
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Investigating the Use of Recycled Plastic in Future Sustainable Road Infrastructure
Project Status: In ProgressCurrent waste management challenges across the world have required governments to develop innovative policies that target the implementation of single-use materials throughout the economy. Sustainable materials and construction practices are the future of road infrastructure…
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Sustainability Assessment Tool for Innovative Pavements
Project Status: In ProgressMain Roads has implemented an Infrastructure Council Sustainability Assessment (ISCA) rating process that requires the quantification of greenhouse gas (GHG) reductions and sustainability benefits. The ISCA sustainability ratings tool can be used for standard pavement…
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Test for Capillary Rise Testing of Non-Cohesive Soils
Project Status: In ProgressWhen constructing roads, materials are affected by water rising up through the compacted layers, this capillary rise effect is measured and provided to Main Roads. As this is a requirement, designers use various methods to…
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A Western Australia Rehabilitation Supplement to Austroads Part 5
Project Status: In ProgressWestern Australian roads require rehabilitation to ensure that road users have safe well maintained roads to use. Austroads recently released a guide advising on evaluating and treating roads. WARRIP is taking to national practices, consulting…
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Intelligent Compaction Control (ICC) – Field Trial Methodology and Trials
Project Status: In ProgressUniformity of placed roadwork material is one of the key elements for good performing roads. In recent years, Intelligent Compaction Control (ICC) technology has been increasingly used to assist contractors to improve construction quality. This…
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Development of a Bond Strength Test for Assessing Delamination Potential of Asphalt Pavements
Project Status: In ProgressWith innovative and high-performance asphalt mixes such as EME2 and warm-mix asphalt being applied on WA roads, the possibility that these new technologies may not sufficiently bond with adjacent layers is a concern. For a…
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A Review of Light-Emitting Lane Demarcation Technologies
Project Status: CompletedWith an extensive rural network that has immense sections of road that have reduced visibility at night, WARRIP investigated some of the emerging technologies to improve visibility on regional roads. Whilst potential technologies look promising,…
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Transfer of Crumb Rubber Modified Bitumen Technology to Western Australia
Project Status: In ProgressThe responsible and sustainable practice of recycling tyres for use in road construction, has been in place for over 30 years in WA. WARRIP sought to apply the latest research to see if there was…
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