American Concrete Institute says its first-ever initiative to develop a precast standard is not related to an article in Concrete International that sounds the alarm about the potential for brittle failures of non-code-compliant precast, prestressed-concrete double-T parking decks, with flanges reinforced with a high-strength polymer-coated carbon-fiber grid product, called C-Grid.
After 17-year, $17B saga, Bechtel's recast waste glassification megaproject at U.S. Hanford site readies for first startup, but unresolved issues remain.
About half an hour before the almost-completed pedestrian bridge collapsed onto a busy Miami-area road last year, killing six people, Denney Pate, the bridge’s engineer-of-record, sent a text to Linda Figg, the chief executive of FIGG Bridge Engineers.