Application Examples FALLING / HEAVY WEIGHT DEFLECTOMETER Project Level - Local Government (LGA) Construction / Ports / Airports Moreton Regional Council, QLD LGA, Australia Aecom, Warrego Highway, QLD, Australia FWD survey was used to determine stiffness of the pavement FWD testing was conducted on newly reconstructed sections layers and structural deficiencies of the pavement, based on of Warrego Highway near Toowoomba. The deflection data was back calculation analysis. In addition, the information was used analysed to ensure quality standards have been met. to calculate the Remaining Life and conduct Pavement Designs as part of the annual Pavement Rehabilitation Program. Mackay Airport, QLD Australia Heavy Weight Deflectometer testing was undertaken at Mackay Willoughby City Council, NSW LGA, Australia Airport airside pavement and landside roads to ascertain the FWD testing was undertaken on several roads across Sydney’s pavement strength. northern suburbs to produce a mechanistic pavement design report for each section. Two treatments options were provided in Port Botany, NSW, Australia accordance with the Client’s scope (mill and replace and deep lift FWD survey was undertaken at specific locations of prepared asphalt) and the preferred option recommended. fill at Port Botany. The analysis included deflection bowl backanalysis for the determination of layer modulus. The Hills Shire Council, NSW LGA, Australia To help determine a possible cause of pavement failure on Aurecon, Essendon Airport, VIC, Australia several roads in the Hills Shire area, an FWD survey was used HWD testing was undertaken on the runway at Essendon Airport to determine the stiffness of the pavement layers and structural so as to assess the condition of the existing pavement in order to deficiencies of the pavement. These results were compared determine the upgrade requirements of the runway. with the DCP to assess the existing condition of the pavement structure on each test pit. SGS, West Angleas Mine Site, WA, Australia FWD survey was undertaken on the main Runway and exsiting Logan City Council, QLD LGA, Australia Apron and Taxiways for the collection and analysis of deflection FWD proved to be an ideal tool on a major pavement rehabilitation bowl data. program which included numerous roads within this Brisbane area Council. The final delivery included several pavement Top Iron, Mine Haulage Road Study, WA, Australia designs based on the analysed data, traffic conditions and QLD FWD proved to be an ideal tool on a Mine Haulage Road study TMR design requirements. to determine the impact of haulage. The scope of works also included analysis of traffic volume and load data including Bankstown City Council, NSW LGA, Australia concessional loading in order to determine Design Standard Axle FWD survey was used to determine stiffness of the pavement Repetitions carried by the pavement. layers and structural deficiencies of the pavement, based on back calculation analysis. This information was used to calculate the Remaining Life and conduct Pavement Designs as part of the annual Pavement Rehabilitation Program. More information available at www.pavement.com.au PAVEMENT STRENGTH TESTING - APPLICATION EXAMPLES Network Level - Local Government State Road Authorities Toowoomba Council, QLD LGA, Australia Roads and Maritime Services, NSW Provision of annual FWD testing across the network, upload of Three (3) large work packages of structural testing as part of data into Council’s PMS and provision of Annual Network Report an overall testing program to assess the structural health of the and Forward Works Program. NSW major highway network. This involved the collection of 60,000 points across rural and urban New South Wales. Leichhardt Council, NSW LGA, Australia Provision of annual FWD testing on 20% of network each year. In Queensland Department of Transport, QLD conjunction with visual and laser profilometery testing, the data is Four (4) years of network level testing for TMR in Cairns. Aim was uploaded into Council’s Road Manager Pavement Management to assess the health and capacity of the network and to conduct System. studies into usage and allowable weight limits. This involved the collection of 20,000 points on the Atherton Tableland. Sunshine Coast Council, QLD LGA, Australia Network Level FWD testing on Sunshine Coast Council road Main Roads Western Australia, WA network, comprising the recording of deflection, structural Our five (5) year pavement data collection contract with MRWA, number, estimated subgrade CBR, calculation of modulus of the includes pavement strength data collection on targeted sections various layers and remaining life analysis. of the State Road Network in the order of $1.75M over the Contract Term. Randwick City Council, NSW LGA, Australia Annual FWD structural testing across the network in order to update the condition of those roads in the Pavement Management System. Includes preparation and provision of a Network Pavement Condition & Budgetary Analysis Report based on the updated Road Manager database. Queensland Department of Transport, QLD FWD testing was undertaken on multiple sections of Gore Highway near Toowoomba for the collection and analysis of deflection data. Queensland Department of Transport, QLD Rockhampton Council, QLD LGA, Australia Annual Road Network Survey comprising of visual, laser profilometery and FWD structural surveys for the collection of pavement condition data and update of Council’s PMS Road Manager. The scope of works includes a portion of road network each year in accordance with road asset management and maintenance plans. FWD testing was undertaken on several sections of Burnett and Isis Highways near Bundaberg for the backanalysis of deflection bowl data and determination of layer moduli and estimated subgrade CBR. Roads and Maritime Services, NSW Collection of FWD data at Inundated Sites across the NSW road network. Pavement Management Services Queensland Western Australia Head Office Innovation Centre (USC) 4/2 Cressall Road Unit B7, 26 Powers Road 90 Sippy Downs Drive Balcatta WA 6021 Australia Seven Hills NSW 2147 Australia Sippy Downs QLD 4556 Australia Telephone : +61 (0) 8 9240 8585 Telephone : +61 (0) 2 9674 9488 Telephone : +61 (0) 7 5430 2212 Email : [email protected] Email : [email protected] Email : [email protected] More information available at www.pavement.com.au © Pavement Management Services 2014
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