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What is the difference between a ribbed vault and a groin vault?

2 Answers

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A groin vault is formed by the perpendicular intersection of two barrel vaults. A rib ribbed vault is supported by a series of arched diagonal ribs that divide the vault's surface into panels.

Explanation:

User Gerik
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A groin (or cross) vault is formed by the perpendicular intersection of two barrel vaults. A rib (or ribbed) vault is supported by a series of arched diagonal ribs that divide the vault's surface into panels.

looked it up!

User Pangamma
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