Development of Environmentally Friendly Permeable Pavement Base Course Using Recycled Materials

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Title: Development of Environmentally Friendly Permeable Pavement Base Course Using Recycled Materials

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Publication: CIA

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Date: 2/13/2011

Abstract:
Urbanization results in the conversion of pervious spaces, such as vegetated and open forested areas, to areas of impervious (paved) surface. This has a major impact on the water quality, the health of the environment and the natural ecosystem. Permeable pavement is a key Water Sensitive Urban Design technology that has not been widely adopted in Australia. This paper reports some initial laboratory testing results on physical and mechanical properties of permeable concrete base course materials produced from recycled aggregate. This series of testing forms a portion of an ongoing research project that aims to develop a new type of permeable pavement base course that has both enhanced structural strength and water quality treatment capabilities. Various mix designs were investigated and the tests performed include unconfined compression, modulus of rupture, resilient modulus, porosity and permeability tests. The initial results indicate that using a small percentage of cement could improve the structural strength of permeable base course but also maintain good permeability. The results obtained will form a basis for the further refinement of the mix design.


Concrete Institute of Australia, International Partner Access.

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