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which is stronest?
Parabolic is strongest. It applies the pressure from above the best.
followed by the gothic i presume
thanks
Strongest is the caternary arch. Its not listed there for some reason. A caternary is the shape of a chain dangling from its two endpoints. Flip that shape and you get an ideal arch (assuming no additional forces)
thank you. that lead to an interesting wikipedia read.
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