Probers Eye Expansion Joint in Pittsburgh Slab Mishap 2/8/2007 | 2007-02-08 | ENR

[ad_1] AP Area beneath partial slab collapse in convention center. Investigators, including members of the original design and construction team, are trying to determine why a 60 x 20-ft section of a 6-in-thick concrete floor slab collapsed at the nearly five-year-old David L. Lawrence Convention Center, in Pittsburgh. Although the cause is not yet known, […]