05-14-2013, 06:43 AM
the vibrations of the generators from the top floorcan be added to the weak points in the columns at the first floor of building & Weakness in connection between columns & Flat Slabs & floors of this building were added on later.
some pictures here:
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Quote:Shortly before 09:00 a.m. the electricity went off, as it often does in Bangladesh. When the heavy generators inside Rana Plaza were started, floors and ceilings gave way in a cascade of bursting walls, tumbling equipment and screams.
some pictures here: