In architecture, the double bay system (or engaged system) is the arrangement commonly found in Romanesque architecture, where the internal space of basilicas is subdivided into three spaces, the nave and two side aisles, with aisles having half the width of the nave. This arrangement required the ribbed vaults in the aisles to be twice smaller as well, so supports in the side aisles had to be spaced at half the step of the supports in the nave.
Double-bay systems in Romanesque churches are almost always reflected in the alternation of supports, usually between compound piers and round columns, although some researchers see to purely decorative alternation in some buildings, like the Ely Cathedral.
References
- Davies & Jokiniemi 2008, p. 478.
- Hoey 1989, p. 275.
- Hoey 1989, p. 273.
Sources
- Davies, N.; Jokiniemi, E. (2008). Dictionary of Architecture and Building Construction. Elsevier/Architectural Press. ISBN 978-0-7506-8502-3. Retrieved 2024-12-23.
- Hoey, Lawrence R. (1989). "Pier Form and Vertical Wall Articulation in English Romanesque Architecture". Journal of the Society of Architectural Historians. 48 (3). University of California Press: 258–283. ISSN 0037-9808. JSTOR 990431. Retrieved 2024-12-23.
Further reading
- McKinne, Jane Elliott (1985). The Church of Sta. Maria and S. Sigismondo in Rivolta d'Adda and the Double-Bay System in Northern Italy in the Late Eleventh and Early Twelfth Centuries Reference (PhD thesis). UC Berkeley.
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