
A building undergoes progressive collapse when a primary structural element fails, resulting in the failure of adjoining structural elements, which in turn causes further structural failure. ==Timeline of notable examples== ==Terminology== Since the resulting damage in a progressive collapse is disproportionate to the original cause, the term disp...
Found on
http://en.wikipedia.org/wiki/Progressive_collapse

If, as a result of accidental loading, the failure of one member would trigger failure of the entire building or substantial parts of it then the building is subject to progressive collapse.
Found on
https://www.encyclo.co.uk/local/20707
No exact match found.