Report

P54: Effective Expansive Subgrade Treatments Across Queensland - Year 1

November 24, 2025

A significant proportion of the road network in Queensland is constructed over natural soils that may be prone to moisture-induced strength loss and volumetric change. When inundated by moisture, these pavements have historically exhibited pavement distresses including structural deterioration, surface irregularities due to shrink/swell cycles and severe cracking.

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