Archive of Applied Mechanics

, Volume 71, Issue 12, pp 802–806

Why did World Trade Center collapse? – Simple analysis

  • Z. P. Baz˘ant
  • Y. Zhou

DOI: 10.1007/s004190100189

Cite this article as:
Baz˘ant, Z. & Zhou, Y. Archive of Applied Mechanics (2001) 71: 802. doi:10.1007/s004190100189


 Simplified approximate analysis of the overall collapse of the World Trade Center towers is presented. It is shown that if prolonged heating causes the majority of columns of a single floor to lose their load-carrying capacity, the whole tower is doomed.

Keywords: Impact, Tall buildings, Failure, Plastic buckling, Energy dissipation 

Copyright information

© Springer-Verlag Berlin Heidelberg 2001

Authors and Affiliations

  • Z. P. Baz˘ant
    • 1
  • Y. Zhou
    • 1
  1. 1.Department of Civil Engineering and Materials Science, Northwestern University, Evanston, Illinois 60208, USA e-mail: z-bazant@northwestern.eduUS

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