Thanks 37Ed.. The floor is a mono-pour and the section where the concrete has dropped out is about 8ft. x 10ft. x 2" deep. It looks like the rebar has rusted so badly that it expanded and fractured the concrete.
I would bet that there are other areas in this garage that mey be afflicted with...
Here are answers to two posted questions. I was told by my friend that this building was one of the first to be built with 'light weight concrete' other than that I do not have any other information. Maybe the sales person who sold her the unit told her that, I will see if I can find out any...
Thank you all for your comments. The problem was reported and I understand that the building is aware of it.
I would be interested in knowing more about the technical and structural aspects of such a condition and what could happen if not repaired correctly.
When looking up at the underside...
I heard a news report today that a parking garage collapsed in the Chicago area. The report alarmed me.
A friend recently bought a condo in a building 30 floors high. When I drove into the valet parking garage of the building, I noticed that the concrete parking deck above where I was standing...