Bricklayer With Mad Skills
He isn't laying bricks, he is creating art.
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4. dave9191 commented 10 years ago
Classic building technique from the olden days. Doesn't mean I would trust it, but apparently its very strong. Self supporting.
https://en.wikipedia.org/wiki/Corbel_arch
https://en.wikipedia.org/wiki/Corbel_arch
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7. archis commented 10 years ago
It is the classical way to great stone, brick slab before reinforced concrete. I thought that they make some supporting structure underneath before placing the final 'key stone'. This ceiling is very strong, because shape of the arc prevents creating any tension in brick structure from applied forces. But nothing is perfect each construction has it's strengths and it's Achilles heel. The weakness of it is that at arc support you great big horizontal reaction, in this case they have that steel rebar placed so the brick does not slip away to the side. In Gothic churches you will often see so called flying buttresses and they are not there for beauty alone.
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9. orion commented 10 years ago
#2 #3 it doesn't really need mortar. It's just there for extra binding (and probably at the edge), but the arch structure in general supports itself. It's stronger than most new-fangled flat roofs. In a flat plate, the stress of the roof's weight tries to break it - it's straining it perpendicular to the plate (wants a cave-in). In an arch, the stress is distributed to a force along the arch, so it's almost as if weighs nothing. The weight that compresses the structure also holds the bricks in place. Most structures built like this (with bare stone, no binder) are still standing after a millenium, whereas modern buildings don't last more than a few decades.
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11. schlafanzyk commented 10 years ago
Beautiful, but you are better off living in a coffin when the slightest earthquake hits.
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13. torbengb commented 10 years ago
#4 sorry to correct you but it's a true arch (left), not a Corbel arch (right in this pic you linked to: https://upload.wikimedia.org/wikipedia/commons/b/bc/Arc_truefalserp.jpg).
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14. sidewinder commented 10 years ago
Arc does not need anything to support it underneath. This is god`s plan.
+53 1. MakeTnotWar commented 10 years ago