Optimizing the Strength and Permeability of Pervious Concrete.

Author(s)
Alaica, A.L. Dolatabadi, M.H. Sucic, A. & Shehata, M.
Year
Abstract

This paper is focused on evaluating the performance of different pervious concrete mixtures in an endeavour to achieve an optimized mix with adequate tensile strength and porosity. In addition, a relationship was investigated between permeability and porosity of different mixtures. This is done in an attempt to use the porosity as a quick and easy quality control test for evaluating the permeability of pervious concrete. The mix design variables investigated in this study included aggregate-to-cementing materials ratio (A/CM), aggregate gradation and cementing materials blends; ternary blends of silica fume/slag and Metakaolin/Slag were examined. Single and hybrid fibre systems were also evaluated. These included Wollastonite natural fibres and polypropylene macro-fibres. Modifications to the permeability test proposed by ACI522R, "Pervious Concrete", were made to evaluate permeability of the specimens. (A) For the covering abstract of this conference see ITRD number E220308.

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Publication

Library number
C 50416 (In: C 50339 [electronic version only]) /22 /32 /33 / ITRD E220385
Source

In: Adjusting to new realities : proceedings of the 2010 Annual Conference and Exhibition of the Transportation Association of Canada (TAC), held in Halifax, Nova Scotia, from September 26 to 29, 2010, 20 p., 7 ref.

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