Barrel vault

（重定向自Annular vault）

Roman barrel vault at the villa rustica Bad Neuenahr-Ahrweiler, Germany.

A caponier is a large space enclosed by a roof and walls, covered with barrel vaults, as a covered means of access to the outworks

A barrel vault, also known as a tunnel vault or a wagon vault, is an architectural element formed by the extrusion of a single curve (or pair of curves, in the case of a pointed barrel vault) along a given distance. The curves are typically circular in shape, lending a semi-cylindrical appearance to the total design. The barrel vault is the simplest form of a vault: effectively a series of arches placed side by side, i.e., one after another. It is a form of barrel roof.

单词	Annular vault
释义	Annular vault 英语百科 Barrel vault （重定向自Annular vault） A barrel vault, also known as a tunnel vault or a wagon vault, is an architectural element formed by the extrusion of a single curve (or pair of curves, in the case of a pointed barrel vault) along a given distance. The curves are typically circular in shape, lending a semi-cylindrical appearance to the total design. The barrel vault is the simplest form of a vault: effectively a series of arches placed side by side, i.e., one after another. It is a form of barrel roof.
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