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Groin Vault
STRUCTURE & PHYSICSadvanced
Definition
A vault created by the intersection of two barrel vaults at right angles. The intersection forms an X-pattern (the 'groin') and the space is enclosed on all four sides. Groin vaults are common in Romanesque and Gothic architecture.
Example
The crypt of Durham Cathedral (1093) is covered with groin vaults that create a unified, rhythmic interior space with defined bays.