Progressive Collapse ·
How One Failed Floor Pancakes a Building
un
seel
.com · one column overloads · the floor drops a story and the slabs pancake down
Integrity
100%
Floors standing
6/6
Phase
STANDING
Intact floor on its columns
Overloaded column — losing capacity
Floor falling / crush front
Pancaked rubble + dust
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.com · Progressive Collapse