Industry Partners Series: Wicking geotextiles performance for pavement stabilisation

Engineers Australia and Geofabrics Australasia will host the webinar: “Industry Partners Series: Wicking geotextiles performance for pavement stabilisation.”

The webinar begins with Barry Kok presenting the latest research on MIRAFI® H2Rx multifunctional woven geotextile, highlighting how wicking geotextiles enhance pavement stability and addressing key research gaps needed to fully validate the assumptions and the benefits in pavement design and construction. Unlike conventional geotextiles, wicking geotextiles actively manage both gravitational water and capillary water in partially saturated conditions. This capability is critical for long-term pavement performance, particularly in areas with varying climatic conditions and expansive soils.

Further research is essential to validate assumptions and fully realise the benefits of wicking geotextiles. Laboratory and field testing under diverse climate conditions will help develop design guidelines and ensure the long-term effectiveness of this technology in pavement construction. The goal is to move from empirical observation to quantitative measurement of pavement performance based on the Hydraulic Improvement Factor (HIF) and drainage efficiency (mi). By addressing these gaps, the industry can leverage the potential of wicking geotextiles to create more resilient, durable, and cost-effective road infrastructure that can better withstand the challenges of varied environmental conditions.

In the second half, Dr Abid Ali will present real-world case studies demonstrating the application and performance of H2Rx in pavement structures.

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