Surfside Collapse Simulation | Champlain Towers, Miami, Florida

On the 24th of June 2021 at night the Champlain Towers South, a 12-story beachfront condominium in the Miami suburb of Surfside, Florida collapsed partially. This collapse simulation was made based on the presently available data, eyewitness, and video accounts.

This study demonstrates the collapse mechanism assuming the following plausible hypothesis: According to the data, the basement deck showed signs of extended soaking for many years. The problem was locally insufficiently patched and not rectified in its entirety. The wetting caused the deck ceiling to be weakened to such an extent that basement pillars punched through the deck where additional load had peaked at the planter area.

Main sources:

https://youtu.be/KR29pLccutY

8777-collins-avenue—preliminary-review-plans-for-40-year-re-certification.pdf

8777-collins-ave-1979-plans.pdf

8777-collins-ave—unverified-inspection-report.pdf

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