USA bridge collapse - explained

The Tacoma Narrows bridge collapsed soon after opening in 1940. This is still the worlds largest bridge collapse. I will in this video explained how this happend in an easy manner. I will also mention some of the mitigations that are in place today to avoid similar disasters.
The worlds largest bridge collapse could have been avoided, but it was still early days of suspension bridge design. A lot has been learnt since then.

With permission, i borrowed a video on wind tunnel testing from Total Engineering:
http://www.tesolution.com/windtunnelfacilities.html

I hope you like the video, please give it a thumbs up.

Видео USA bridge collapse - explained канала TheGeotechEngineer