Vertical rockfall barrier catching 20 tons

World Record 8000 kJ Barrier Test. An industrial commercial for Geobrugg's GBE-8000A, a rockfall barrier.

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Picture of archer29 achievements

+4 1. archer commented 10 years ago

thats actually pretty crazy i wonder what its made of to be able to hold that its gotta be tough
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-9 2. Judge-Jake commented 10 years ago

Why don't they just remove all the 20 ton rocks from that area? >:) I wouldn't like to predict it's chances if the rock happened to be 40 tons :S
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+1 3. cameramaster commented 10 years ago

Now that was IMPRESSIVE!...but you still wouldn't get me to stand under it...test or not.
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+4 4. MindTrick commented 10 years ago

#1 They are using lots of rings, pretty much like a chainmail where the rings themselves are made of lots of thin rings bundled. When the pressure comes, they stretch almost like fibers, and snap accordingly. The whole rig is designed to give in for the pressure, instead of totally withstand it (if that translates well). But as you see in the video, where the "net" is attached to the holding wire, they all slide together when the object makes the impact, and the wire holding it is helping to slow down the force. Hope that made sense.
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+2 5. sux2bu commented 10 years ago

So while stopping a huge weight like that is impressive, where do they actually use these nets? They are ugly and ruin the aesthetics
of a lovely mountain view, so are they just used in construction zones?