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BASF ADMIXTURES' PERVIOUS CONCRETEBASF Admixtures has a new type of pervious concrete that can help mitigate storm runoff, and it has an extended work time, due to BASF's recent improvements. Pervious concrete is a mix of Portland cement, coarse aggregate, water, and admixtures. Due to the lack of fine aggregate, the pore structure contains voids that can allow water to pass through. Pervious concrete can be used as an integral part of a storm-water management system, but it takes real product knowledge to pour it properly. That's because, historically, pervious concrete has had a very narrow work time. This newest pervious mixture from BASF Admixtures combines three additives that produce longer work times, eliminate the need to retemper the mix on the jobsite, add body to the concrete, and help lubricate the mix, according to BASF. The result is a better flow, faster discharge time, and easier placement and compaction.
Credit: Green Builder
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