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Photocatalytic cement helps sculptures wave off pollutants

Published Saturday, November 01, 2008

The mid-September dedication of Minnesota's new I-35 West Bridge over the Mississippi River was doubly symbolic for construction types: besides segmental concrete replacing dated structural steel methods, it saw the unveiling of an architectural element never before used on such a high-profile structure. Italcementi Group and its North American subsidiary, Essroc Cement, made their contribution to the project through two white concrete gateway elements — installed in the median, one at each end of the bridge — cast with TX Active, a photocatalytic, pollution-reducing cement. The sculptures were fabricated by Elk River, Minn.-based Stoneworks Architectural Precast from concrete ...

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