But, it did withstand those forces for hours, days, etc. after being set in place on the pylons or piers.
The off-design event that resulted in taking it down was horsing on the two PT rods in #11 to attempt to close cracks that had appeared earlier and was noted in the EoR's prior phone call...
dik (Structural)
13 Jun 18 14:06
Concrete can have some ductility and you can have 'breakage' and still maintain some strength. The collapse was sudden, and, I would suggest that the failure was the same...
Dik
In the concrete and masonry seismic survivability world, we did some tests to...
to BIMR
Same here. And to be found practicing outside or beyond your professed and demonstrated level of expertise, (say, your stamp and signature was found on an elevator control drawing) even though carrying the PE license, brings on similar sanctions and penalties.
OK, so we know that sooner or later some rich Caribbean Playboys returning home from a trip to Disney World, will decide to leave a memorable departing maneuver by flying their Lear Jet under the FIU Pedestrian Bridge Tamiami Trail Clear Span, about 2:00AM when traffic is light and only a few...
Big Dig was the black hole granddaddy of all public works projects that formed over the northeast seaboard 1992-2007 (for the youngsters here). Everything associated with it was ground breaking, new technology on a scale never done before. You can read about it from many sources, maybe in your...
betrueblood
Gaze Detection...I like that. How does it work (do you need a clean windshield, etc.)?
Something much easier: Marijuana smoke detection. How about that one? Or, periodic breath-a-lizer?
Here is Boston Big Dig Tunnel Ceiling panel collapse litigation compass rose.
Two people were killed: driver and passenger of car the panel fell on.
The courts and officers of the court (lawyers) took two years to get to
the bottom of it. By process of elimnation, the supplier of the adhesive...
