Polygonal masonry

Polygonal masonry is a technique of stone wall construction. True polygonal masonry is a technique wherein the visible surfaces of the stones are dressed with straight sides or joints, giving the block the appearance of a polygon.[1]

This technique is found throughout the world and sometimes corresponds to the less technical category of Cyclopean masonry.[2]

Armenia
Saint Hripsime Church, 618, with later alterations

Bolivia

Bosnia
The remains of the outer walls of Daorson, as seen in 2013

Brazil

Bulgaria

Canada
Hatley Castle, garden side

China

Chile
Ahu Vinapú

Crimea

Easter Island

Ecuador

Finland
A part of the wall of the Bomarsund Fortress

Germany

Georgia

Greece
Section of polygonal wall at Delphi

Hungary

India

Indonesia

Iran

Italy
Velia, Porta Rosa

In Italy, polygonal masonry is particularly indicative of the region of Latium, but it occurs also in Etruria, Lucania, Samnium, and Umbria; scholars including Giuseppe Lugli have carried out studies of the technique.[3][4] Some notable sites that have fortification walls built in this technique include Norba, Signia, Alatri, Boiano, Circeo, Cosa, Alba Fucens, Palestrina, and Terracina.[5] The Porta Rosa of the ancient city of Velia employs a variant of the technique known as Lesbian masonry.[1]

Japan
Naha Shuri Castle

Latvia
Daugavpils Fortress

Malta

Mexico

Montenegro
Entrance to Stützpunkt Grabovac at the fort's rear

Morocco

Peru
Sacsayhuamán, Cusco, Perú
Pumacocha Archaeological site - wall

Philippines

Portugal

Romania
Iulia Hasdeu Castle

Russia
Fort Alexander I

Spain

Sudan

Sweden

Syria
Hosn Suleiman temple
Pyramidal tomb in 6th century Bauda, one of the former Dead Cities in northwestern Syria
The press-house

Thailand

Turkey
Selimiye Kışlası
Memorial Quadrangle Gate at Yale

United Kingdom

United States
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References
  1. G.R.H. Wright (23 November 2009). Ancient Building Technology, Volume 3: Construction (2 Vols). BRILL. pp. 154–. ISBN 90-04-17745-0.
  2. Carmelo G. Malacrino (2010). Constructing the Ancient World: Architectural Techniques of the Greeks and Romans. Getty Publications. pp. 97–. ISBN 978-1-60606-016-2.
  3. Frank, T. 1924. "Roman buildings of the Republic: an attempt to date them from their materials." MAAR 3.
  4. Giuseppe Lugli (1957). La Tecnica Edilizia Romana Con Particolare Riguardo a Roma E Lazio: Testo. 1. Johnson Reprint.
  5. Jeffrey Alan Becker (2007). The Building Blocks of Empire: Civic Architecture, Central Italy, and the Roman Middle Republic. ProQuest. pp. 109–. ISBN 978-0-549-55847-7.
  • P. Gros. 1996. L'architecture romaine: du début du IIIe siècle av. J.-C. à la fin du Haut-Empire. 2 v. Paris: Picard.
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