What the heck happened? Excess snow simply caused it to collapse? I don't know the details but shouldn't it have been designed to withstand those snow loads? lol.
We're not talking a 100 year storm or anything here.
No clue as I haven't got any idea what that roof is constructed of. I just re watched the video and it appears that the fabric began tearing in the middle the it just cascaded from there. So my initial reaction is fatigue but that's a guess and I wouldn't hang my hat on it. I'll keep an eye out for any reports that come out. If you see something let me know.
Not exactly my discipline but there's very little that's not worth learning huh? I'm still looking at the data you forwarded as time allows. Those videos were fanfreakingtastic. If you ever need any AASHTO stuff let me know.
I'm starting to learn how to design wind turbine poles. EIA / TIA 222G. Totally different world from AASHTO ..