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NIST Finds Early Garage-Column Failures Triggered Champlain Towers South Collapse

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Source: National Institute of Standards and Technology (.gov)
NIST Finds Early Garage-Column Failures Triggered Champlain Towers South Collapse
Photo: National Institute of Standards and Technology (.gov)
TL;DR

NIST's NCST technical findings attribute the Champlain Towers South collapse to punching shear failures at two garage column connections in early June 2021, which caused cracks, load redistribution, and eventual collapse; margins against failure were too narrow due to design and construction deviations from codes, ongoing loads, and corrosion, with other potential factors ruled out; a final report with recommendations will follow.

Topics:nationscience#building-safety#champlain-towers-south#nist-ncst#punching-shear#science#structural-engineering
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  1. NIST Releases Technical Findings on What Caused the 2021 Partial Collapse of Champlain Towers South  National Institute of Standards and Technology (.gov)
  2. Federal investigators say deadly Surfside building collapse began 3 weeks prior  ABC News - Breaking News, Latest News and Videos
  3. Collapsed Surfside Condo Had Been Failing for Weeks, Investigators Find  The New York Times
  4. New report says Surfside collapse was set in motion weeks earlier. What we know now  Miami Herald
  5. Federal investigators release cause of Surfside condo collapse  WPLG Local 10

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