Bridge Collapse in Italy
Bridge Collapse in Italy
(OP)
Looks like a shear failure of the seat; I've seen that before.
http://metro.co.uk/2016/10/29/one-dead-five-injure...
http://metro.co.uk/2016/10/29/one-dead-five-injure...
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Bridge Collapse in Italy
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Bridge Collapse in ItalyBridge Collapse in Italy(OP)
Looks like a shear failure of the seat; I've seen that before.
http://metro.co.uk/2016/10/29/one-dead-five-injure... Red Flag SubmittedThank you for helping keep Eng-Tips Forums free from inappropriate posts. Reply To This ThreadPosting in the Eng-Tips forums is a member-only feature.Click Here to join Eng-Tips and talk with other members! |
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RE: Bridge Collapse in Italy
RE: Bridge Collapse in Italy
Professional Engineer (ME, NH, MA) Structural Engineer (IL)
American Concrete Industries
www.americanconcrete.com
RE: Bridge Collapse in Italy
RE: Bridge Collapse in Italy
A.
RE: Bridge Collapse in Italy
http://www.liveleak.com/view?i=20a_1477750973
RE: Bridge Collapse in Italy
Keith Cress
kcress - http://www.flaminsystems.com
RE: Bridge Collapse in Italy
John R. Baker, P.E. (ret)
EX-Product 'Evangelist'
Irvine, CA
Siemens PLM:
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RE: Bridge Collapse in Italy
http://julianh72.blogspot.com
RE: Bridge Collapse in Italy
RE: Bridge Collapse in Italy
Unless they were already there for some other reason, they make you suspect that somebody already believed they had authority to close at least part of the road.
A.
RE: Bridge Collapse in Italy
on the same note, but thankfully no events to make global news were the inspections of bridges and culverts around home following the flooding from "Mathew". A friend of a friend worked for the State and put into emergency service to take photos ahead of the engineers (sort of a triage). his comments were many would have soil falling when traffic passed and he could not, nor had the means to close the roads. there was one exception though where he did stop the truck, made the drive look at the culvert to convience him to back up. Local papers/news showed several incidents of vehicles dropping into washouts.
RE: Bridge Collapse in Italy
RE: Bridge Collapse in Italy
There, you can see:
At least 4 axles on the trailer with the possibility of another out of view.
Making a few assumptions:
13 Tonne tare for the trailer (assuming 4 axles and no ramps)
15 Tonne capacity for each trailer axle (assuming we're into heavy haulage territory) x4
Tractor Trailer combination loaded up to the limits
Trailer tare weight carried by the tractor and load borne entirely on the trailer axles (this sounds odd but, with the perennial difficulty of getting enough weight to transfer onto the fifth wheel - look how far forward they've placed the load in the pictures - is usually a good working approximation)
I'm already at 91 Tonnes (a lot more than the 44 of your everyday artic) with the possibility of 107 if there's a fifth axle hidden behind the wreckage of the rear curtainside frame. Not a million miles off the reported figure.
A.
RE: Bridge Collapse in Italy
Another video here appears to show 5 axles on the trailer:
https://www.youtube.com/watch?v=KpYizQggpFc