The stabilisation of otherwise unsuitable road construction materials is an economically and environmentally beneficial alternative to importing base course, subbase course, and/or select fill materials. A number of stabilisation technologies are currently available, each with distinct benefits and limitations. In Queensland, the selection of a stabilisation treatment for a given application is heavily influenced by traditional local practice, as a systematic approach for evaluating alternative treatments and electing the optimal solution was not previously available. The Stabilisation Practices in Queensland project is a multiyear effort with the objective to develop guidance on the best value for money stabilisation solution to adopt for a given set of climatic, environmental and operational conditions relative to the Queensland state-controlled road network.
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