Garage Collapse
Garage Collapse
(OP)
http://www.ctv.ca/servlet/ArticleNews/story/CTVNews/20081126/roof_collapse_081126/20081126?hub=TopStories
When was the last time you drove down the highway without seeing a commercial truck hauling goods?
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RE: Garage Collapse
Regards,
Mike
RE: Garage Collapse
Better photo. Still hard to tell the cause from a picture.
RE: Garage Collapse
It looks like a punching shear failure around the columns.
RE: Garage Collapse
The caption says that a roof collapsed, and the floor we are looking at has at least another level above. The floor may have collapsed due to the upper level falling on it. The asphalt topping on the collapsed slab may or may not mean that there were previous problems with the slab which may have been covered up, and in so doing added dead load. Just speculation, would be interesting to know more.
Wonder what the "10km" on the column meant.
RE: Garage Collapse
RE: Garage Collapse
I have seen several parking garages in various cities across the country where extensive 'potholes' in the concrete (delaminations) had been covered over by the maintenance crews with an asphalt topping to provide a smooth driving surface .... without repairing the concrete!!
The 10km on the columns would refer to the speed limit in the garage ... 10 kilometers/hour.