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Diagnol Rib
Wall Rib |
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Bosses are in the center of the vaults
Transverse arch
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A flying buttress is arched to attach
a large wall creating strength and solidity to the main structure. |
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Pointed Archs come in three different shapes and sizes measured by longitudinal, diagnol and transverse. They create flexiblity and strength by breaking the breaking of the round arch.
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