40-ton timber arches collapse in Hickory, NC 35

[bugbus]

https://www.wsoctv.com/news/local/n...king-busy-highway/N7L3RUTIKJE23LLTGYBXGJPM5U/

Before:

After:

 

[phamENG]

I'd be surprised if that were the issue, but of course I'd have to see the model. In all 3-D analysis software I've used, even if it doesn't simulate buckling affects on the overall model, it'll still flag the rod as "failed" when it compares the stress to the calculated allowable - which in this case would be essentially zero.

Now if the user thought "well, of course it fails in compression!" and ignored it, then yes...that could be a big problem. That would be so many levels of big problems. None of them surprising, sadly, but still big problems...

 

[dik]

Glad to help... that used to be (50 years back) one of the three laws of engineering.

Rather than think climate change and the corona virus as science, think of it as the wrath of God. Do you feel any better?

-Dik

 

[dik]

I did... and, it's not well written. Don't waste your time...

Rather than think climate change and the corona virus as science, think of it as the wrath of God. Do you feel any better?

-Dik

 

[ldeem]

I was going back the forensic report page 9, second to last paragraph where they state the rods were not set for compression only.

I agree on the rod vs cable comment, I do they same thing but set them for tension only.

 

[dik]

Cable, in tension, is slightly less stiff than solid rod in tension.

So strange to see the singularity approaching while the entire planet is rapidly turning into a hellscape. -John Coates

-Dik