A corbel arch is an arch-like construction method that uses the architectural technique of corbeling to span a space or void in a structure, such as an entranceway in a wall or as the span of a bridge. A corbel vault uses this technique to support the superstructure of a building's roof.
Entrance of the Royal Palace of Ugarit (ancient port city in northern Syria), Bronze Age.
Corbelled chamber with hieroglyphs in Hattusa (Anatolia, Turkey), capital of the Hittite Empire in the late Bronze Age.
The Treasury of Atreus at Mycenae
Maya corbel arch at Cahal Pech.
An arch is a curved vertical structure spanning an open space underneath it. Arch can either support the load above it or perform a purely decorative role. The arch dates back to fourth millennium BC, but became popular only after its adoption by the Romans in the 4th century BC.
Gateway Arch
A complex funicular model (Church of Colònia Güell by Gaudi, 19th century)
Arcades of Pont du Gard (Roman)
Separating arches in the St. Zeno church [de]