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Evaluate the Effectiveness and Cost Benefit of Preventative Maintenance Treatments

Project Overview

Maintaining 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 their design life at different rates. Typically, road agencies have focused maintenance efforts on assets in the poorest condition, while allowing the remaining network to continue deteriorating unchecked. However, the use of preservation treatments may allow agencies to cost effectively extend the service life of many roads. Several preservation treatments for asphalt, such as the application of rejuvenation and surface enrichment treatments, are available that can be used to enhance resistance to weathering and aggregate loss, effectively resetting the surface life. In pursuit of the most appropriate treatments for WA roads, the WARRIP will investigate the in situ performance and cost/benefit relationship for selected asphalt preventative maintenance treatments.

Project Cost Effective Maintenance AdobeStock 34988995 scaled Evaluate the Effectiveness and Cost Benefit of Preventative Maintenance Treatments 1

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The Western Australian Road Research Innovation Program (WARRIP) is a collaborative research initiative between Main Roads Western Australia (Main Roads) and the Australian Road Research Board (ARRB).

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