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Onramp 22-12-2016 22:24

Exploding Roadworks
 
https://www.thesun.co.uk/news/245991...on-the-street/

Luckily it looks like nobody was injured.

Impressive how the 4 chamber covers and barrier get launched into the air!

Underground gas leak? Burn marks on the telephone cabinet.

heero_yuy 23-12-2016 10:16

Re: Exploding Roadworks
 

Taf 23-12-2016 20:37

Re: Exploding Roadworks
 
The only conduit explosion I've seen was a developing short in a high voltage cable. BIG bang when it became a full short circuit.

Lots of acrid smoke then BOOM! as in this video.

Sirius 24-12-2016 06:37

Re: Exploding Roadworks
 
From the linked article above

Quote:

“UK Power Networks is currently investigating the cause of the fault which caused the incident. Both power and broadband services have now been restored for local residents.”

nodrogd 24-12-2016 17:59

Re: Exploding Roadworks
 
Quote:

Originally Posted by Onramp (Post 35877290)
https://www.thesun.co.uk/news/245991...on-the-street/

Luckily it looks like nobody was injured.

Impressive how the 4 chamber covers and barrier get launched into the air!

Underground gas leak? Burn marks on the telephone cabinet.

If you look at the fourth still photo you will see the doors are missing from both the smaller cabinets. It is these that are flying through the air, not the chamber covers.

Onramp 24-12-2016 22:09

Re: Exploding Roadworks
 
That could well be the case. I wondered how they were launched upward however.. The chamber covers looked more launchable to me. Plus they were strewn around afterwards.

I guess the barrier launched upwards too.. but that could have happened if it was over one of the chamber covers at T-minus "0".

nodrogd 24-12-2016 23:31

Re: Exploding Roadworks
 
Quote:

Originally Posted by Onramp (Post 35877639)
That could well be the case. I wondered how they were launched upward however.. The chamber covers looked more launchable to me. Plus they were strewn around afterwards.

I guess the barrier launched upwards too.. but that could have happened if it was over one of the chamber covers at T-minus "0".

All the pressure would have concentrated through the ducts below the cabs. My guess is that would blow the bottom latches out momentariliy before the top ones, causing the doors to rotate upward.

Pierre 25-12-2016 00:40

Re: Exploding Roadworks
 
Chamber covers are very heavy, heavier than cab doors anyway. Therefore the pressure from the blast took the path of least resistance, and blew the bloody doors off!


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