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ASCP Forum (Online) – Specification Updates, Are You Trusted?, New Exec Director, Open Mic

Highways, Industrial Members Only

Concrete is used throughout the World every day in countless diverse applications but it is critically important in terms of performance and durability to understand why the mix design and placement need to be appropriately tailored to suit each application. The inimitable Geoff Ayton will explore what it takes to...

Industry Training for Concrete Paving Crews in Australia | The “Grey Card” Course

Highways Members Only

In addition to advances in materials and construction equipment there is a continuing need to ensure adequate skills are available within paving crews. Since 2006 concrete pavement crews and their supervisors in Australia have been required to undertake a mandatory one-day course. Known in industry as the “Grey Card” course...

ASCP Forum – Maturity testing | Roller Compacted Concrete | M1RT project | Industry Initiatives

Highways, Industrial Members Only

Maturity testing of concrete, and applications for concrete pavements will be explored by Sabrina Garber from Transtec (USA). On a recent motorway project in Sydney roller compacted concrete was adopted as a working platform for pavement construction on local government roads. The successes and lessons learnt will be explored by...

Enhanced performance of concrete with use of Carbon Nanotube enriched liquid additive

Highways Members Only

The Carbon nanotubes (CNTs) in a liquid additive when used in the design and construction of concrete, serve as nucleation sites during cement hydration to help create a denser, cement paste composition. The result is improved durability and strength. CNT technology remains ‘young’ within Australia; various laboratory and field trials...

CRCP for Rural and Urban Applications

Highways Members Only

Presentation only

Investigation of Crack Width Development in CRCP

Highways Members Only

The traffic volume on German motorways increased steadily and this trend is expected to continue in the future. To guarantee mobility in the future and reduce the national economic consequential costs, road construction with a maximum service life and a minimum of necessary maintenance are needed. Rigid road pavements with...

32mm Aggregate Trial at Oxley to Kundabung Pacific Highway Upgrade

Highways Members Only

This paper focuses on the analysis of pavement sensor data collected from the 32mm aggregate trial at Oxley to Kundabung Pacific Highway Upgrade project. This trial was intended to establish the concrete mix design parameters, verify the paving ability of the mix and to observe the environmental loading behaviour of...

Specifying Concrete Pavement for Local Government

Highways Members Only

This presentation will provide an overview of the AUS-SPEC information, tools, technical specification templates, specifications framework and processes to document requirements for various asset life cycle activities. It will also demonstrate the use of the system to create contract documentation for the design, construction, and maintenance of local government infrastructure...

2021 A Subbase Odyssey

Highways Members Only

The subbase layer has a critical role in the design of concrete pavements. Australia is unique in its routine application of a lean mix concrete subbase layer to much of the heavy-duty concrete pavement highway network, the result of which is a reluctance to adopt any alternative (“why fix what...

A Review of International Practices for Design of Rigid Pavements for International Container Terminals

Intermodals/Ports Members Only

Whilst the practice of pavement thickness design for heavy duty rigid pavements, such as highways, is well established in Europe, the USA and Australia, agreed methodologies for the thickness design of extremely heavy-duty pavements such as those in intermodal container terminals/ports (ICT) is not commonplace. ICT facilities present a number...

Impact of GGBFS Cement on the Interfacial Transition Zone and Influences on Flexural Strength of CRCP Concrete

Highways Members Only

With an increased focus on sustainability of concrete in commercial and infrastructure projects, the use of alternative cementitious sources is increasing. At the same time the availability of flyash in Eastern Australia is becoming less certain and secure in terms of both quality and future quantity. Transport for NSW specification...

W2B in the Rear View Mirror

Highways Members Only

Presentation only