Structure / Arched covering

Vault

/vɔːlt/noun

From Old French voute, from Latin volvere, “to roll” or “to turn.”

Definition

An arched form used to cover a space with a ceiling or roof. A barrel vault is a continuous arch extended along an axis; intersecting vaults form groin and rib vaults.

Barrel vaultOutward thrustThick wall
Fig. 29 — Vault: schematic studyNOT TO SCALE
Illustrative photograph of vault
Illustrative study — Vault · AI-generatedSAMPLE IMAGE
Photo study — Vault · AI-generated00:06

Structural & construction notes

Like an arch, a vault works in compression and produces outward thrust along its length, resisted by thick walls, buttresses, or ties. Centering supports it until complete.

An educational reference. Project-specific design requires professional guidance.