Source: https://www.enr.com, October 16, 2019
By: Richard Kor,man and Scott Judy
In their competing accounts of what went wrong before last year’s Florida pedestrian bridge collapse, both the contractor and designer agree on one point: The concrete was never “roughened” at locations where it was required. The process involves altering the material to promote mechanical bonding. Among the most important locations were the key junctures where bridge truss diagonals and verticals met the bridge deck. Read more.