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Vaults
A part of a structure roofed by arched masonry.
Some examples of different types of vaults...
| BARREL a semicircular vault unbroken by ribs | UNDERPITCH a barrel vault with small perpendicular vaults underneath | GROIN formed from intersection of two vaults |
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| QUADRIPARTITE a four-part vault | SEXPARTITE a six-part vault | TIERCERON a vaulting rib starting from the intersection of two vaults |
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| FAN a group of ribs springing from a point to form a vault | ||
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