A Review Of 2004 Austroads Rigid Pavement Design
Y. Darestani, Mostafa, Nataatmadja, Andreas, Thambiratnam, David P., & Baweja, Daksh (2006) A Review Of 2004 Austroads Rigid Pavement Design. In Scientific Committee, ARRB Group (Ed.) 22nd ARRB Proceedings - Research into Practice, 29 October - 2 November, Canberra.
The 2004 edition of Austroads rigid pavement design guide has been based on the work of Packard and Tayabji (1985) which is known as the PCA method. In this method, a number of input parameters are needed to calculate the required concrete base thickness based on the cumulative damage process due to fatigue of concrete and erosion of subbase or subgrade materials. While the PCA method has been known as the most widely used mechanistic design procedure for rigid pavement, it has a number of limitations.
This paper reviews the 2004 design guide, introduces a design software specifically developed to study the guide and highlights some important points. In addition, a finite element program EverFE2.23 has been used to determine the critical configuration and position of axle groups. Results of the current study show the complex interdependence of the many parameters. Furthermore, it is demonstrated that the critical location of axle groups on pavement is not as simple as described in the guide but depends on the boundary condition between concrete base and subbase as well as the temperature and moisture gradients within the depth of the concrete base.
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|Item Type:||Conference Paper|
|Keywords:||Austroads design guide, Concrete Pavement, thermal effect, Thermal curling, Loss of moisture warping, Debonding layer|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Transport Engineering (090507)|
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
|Copyright Owner:||Copyright 2006 ARRB and (The authors)|
|Copyright Statement:||Reproduced in accordance with the copyright policy of the publisher.|
|Deposited On:||11 Dec 2006|
|Last Modified:||29 Feb 2012 23:18|
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