Precast Standards' Work Under Way as Brittle Fracture Warnings Aired

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“Brittle Failures in Precast Parking Structures” alleges collapses of precast double-T flanges.

December 22, 2019
Nadine M. Post - Engineering News-Record

The American Concrete Institute is gearing up to develop ACI’s first code requirements specifically for precast concrete. The recent announcement of the initiative comes on the heels of an article in the September issue of ACI’s monthly magazine, Concrete International, that sounds the alarm about the potential for brittle failures of precast, prestressed-concrete double-T parking decks, with flanges reinforced with a non-code-compliant polymer-coated carbon-fiber grid product, called C-Grid.

Reprinted courtesy of Nadine M. Post, Engineering News-Record

Ms. Post may be contacted at

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