Gusset (architecture)

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Arch gusset at the Taj Mahal in Agra (India)

In architecture, an area delimited on three sides is referred to as a gusset or groove . The two-dimensional arch gussets are the areas between a round arch and its rectangular frame ( alfiz ).

The vault gusset is the three-dimensional curved area between the arches of a vault .

The hanging gusset ( pendentif ) is the transition between a circular shape and a square or polygonal base.

Arch bridges with elevated roadways are referred to as closed or open grooves , depending on whether the spaces between the roadway and the arch on the other side of the apex are filled.


  • Wilfried Koch: A brief history of building history. Orbis, Munich 1991, p. 220.

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