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

User Sophtware
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Answer:

Rib vaults are groin vaults with extra stone ribbing.

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.

User Mtk
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Answer: Rib vaults are groin vaults with extra stone ribbing.

Step-by-step explanation:

User DrunkOldDog
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