Pavement type selection is often one of the more challenging and controversial decisions highway administrators face. The process involves weighing engineering factors such as materials, structural, and even long term performance against initial and life-cycle costs to help agencies decide between various pavement alternatives. Given the expenditure of significant public...
ASCP Constitution March 2021
Following the AGM 2021, some clauses from the ASCP's Constitution were modified. Here is an extract. Mission Statement The mission of the society is to facilitate the advancement of knowledge and technology related to concrete pavements through education, technology transfer and research in Australia. The Society will gather and disseminate...
A Study of Ground Performance for Rigid Pavement Design: Pacific Highway Upgrade at the Warrell Creek Floodplain
The alignment of the proposed Pacific Highway upgrade between Warrell Creek to Nambucca Heads traverses five (5) major floodplain areas underlain by deep soft alluvium sediments. The low bearing capacity and high compressibility of foundation soils were found to attract significant ground settlements, with differential settlements to adversely impact the...
CRCP Rehabilitation Design to Rectify Mine Subsidence Damage on M1 Motorway
This paper details the concrete reinforced concrete pavement rehabilitation design required to rectify the damage due mine subsidence on the M1 Motorway north of Cockle Creek Killingworth. Concrete pavement settlements had been monitored from July 2003 to November 2010 at a series of locations along the northbound and southbound carriageways....
Application of a Shrinkage Reducing Agent (SRA) in Concrete Pavements
SRAs have been used in concrete in Australia since their introduction into the marketplace in the mid1990s. However, its recent application in a major road project in NSW has generated interest from Government bodies, engineers and contractors within this sector of the construction industry. The author therefore wishes to discuss...
Performance of Silicone Sealants in Sawn Joints
Concrete pavement joints are required to be sealed to prevent the ingress of debris, mainly incompressible and water. In the year of 2012, there are a number of reports of pavement joint sealants losing adhesion within the first 5 years of service and eventually being mostly depressed under the wheel...
The Performance of Low Noise Diamond Grinding (LNDG)
Conventional diamond grinding has been used in Australia since 2010. The purpose of diamond grinding is to improve ride quality and shape, reinstate service texture and reinstate skid resistance. This presentation reports on trials of low noise diamond grinding in NSW, Australia with analysis of performance monitoring results and comparison...
RONDA – Pavement Noise Measurements on Concrete Roads
Road traffic noise affects approximately 8 million people in Australia with 2 million seriously affected, far more than from other forms of transportation. As the principal source of road noise is from the tyre/pavement interface and, given that concrete pavements are preferred by many road authorities due to its hard...
JUSTIN Keynote Presentation: Woolgoolga to Ballina – A new delivery method
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Merits and Challenges of Increasing Limestone Addition in Cement Used in Concrete Pavement Construction
Portland cement has undergone much change in recent decades to cater for rapid construction cycles, longer design life and environmental pressure. Increased fineness, the advent of Portland blended cements incorporating one or more supplementary cementitious materials (SCMs), and reduced clinker content via mineral addition have been the key technological solutions...
New Developments in Rapid Set Concrete Slab Replacements
Current and future eras are seeing an operational environment where road occupancy for pavement maintenance or repairs will be severely restricted under conditions of maximising availability for service traffic and access to roadside properties. A key driving force for concrete pavement slab replacement, where required, is the need to use...
Latest Developments for Roller Compacted Concrete (RCC) in USA
Roller Compacted Concrete (RCC) is a no slump concrete that is placed by a high density paver and compacted with vibratory rollers similar to asphalt pavement construction. RCC has long history of good performance as a pavement for ports, container yards and manufacturing plants. This paper will summarise a recent...