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February/March 2010 Vol. 10 No. 2
Feature
Pretty and Pervious Decorative Optionsfor Pervious Concreteby Stacey Enesey Klemenc  A band of traditional concrete installed between colored pervious sections, as seen in downtown Beijing at the Olympics staging area. Although the use of pervious concrete is certainly on the rise, you won't often hear the words decorative and pervious coupled together. Pervious concrete is a specialized pavement mix that allows water and air to easily pass through a maze of interconnected voids. An important player in the growing sustainable construction movement, it's frequently described as looking like Rice Krispies. Pervious concrete typically consists of portland cement, 3/8-inch coarse aggregate and water, with admixtures sometimes added to improve placeability.
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