It seems to be the Copan Building with 1160 apartments. If we assume at least 2 people per room and ignore children, that's about 2500 people in a worst case scenario.
Assuming everyone is not a fatass, at 150 lbs. each, that's nearly 200 tons of people trying to get out, or approximately three M1 Abrams tanks.
I doubt this has been engineered for that, nor have the attachments to the building, and neither has the foundation which will be bearing that weight on a very small area.
I don't know why people in the upper floors of highrises worry about stairs and elevators. They need to keep parachutes. In the event of fire, just smash out a window and jump.
It is Brasil, I am certain that staircase will fall on its own or some heavy rain fall will wash out the foundation. Good on you for doing the math!
Some of that weight bearing is engineered into the (hopefully still - standing) building
(post is archived)