Arch: Quick Facts

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A labeled architectural diagram of a circular arch shows the keystone at the top center, wedge-shaped voussoirs forming the curve, and vertical supports on each side, with lines marking the radius and springing line.

Illustration of an arch bridge spanning two cliffs, with a green line along the curve of the arch indicating the path of compression forces through the structure.

arches, types of

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Topics

Triumphal arch keystone attica thrust pointed arch basket arch voussoir spring segmental arch Tympanum post-and-lintel system Column truss beam Canopy Buttress Bracket Baluster Hypostyle hall joist

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Key People

Rashtrapati Bhavan and the Jaipur Column

Sir Edwin Lutyens

British architect

Jean Perronet: Pont de la Concorde

Jean Perronet

French engineer

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Robert Maillart

Swiss engineer