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Example 151: Renaissance dome, component

Work Record
Class [controlled]: Italian architecture
*Work Type [link]: dome
*Title/Name: Dome of Saint Peter's
*Creator Display: designed by Michelangelo Buonarroti (Florentine, 1475-1564), design revised by Giacomo della Porta (Italian, 1532/1533-1602) and Domenico Fontana (Italian, 1543-1607)
*Role [link]: architect [link]: Buonarroti, Michelangelo
*Role [link]: architect Extent: revisions to design [link]: Porta, Giacomo della
*Role [link]: architect Extent: revisions to design [link]: Fontana, Domenico
*Creation Date Display:  designed mid-1550s, constructed late 16th century
[controlled]: Qualifier: design  • Earliest: 1530  • Latest: 1570  |  Qualifier: construction  • Earliest:  1451  • Latest: 1600
*Subject [links]:  • architecture  • dome
*Current Location [link to authority]: Saint Peter's Basilica (Vatican City, Rome, Italy)
*Measurements: diameter: 42 m (138 feet); height of dome: 138 m (452 feet) above the street, 119 m (390 feet) above the floor
[controlled] Extent: exterior Value: 138  Unit: m Type: height | Extent: interior Value: 119 Unit: m Type: height | Value: 42 Unit: m Type: diameter
*Materials and Techniques:  brick, with iron chain compression ring
Material [links]:  • brick Technique [links]: • compression reinforcement
Description: The brick dome uses four iron chains for a compression ring; it is buttressed by the apses and supported internally by four massive piers more than 18 m thick. Bramante's original floor plan called for the dome over a Greek cross plan. Michelangelo designed the dome; after his death Giacomo della Porta and Domenico Fontana executed the dome, altering the shape to make it steeper and taller than Michelangelo's design. The dome was finally completed under Sixtus V; Gregory XIV ordered the erection of the lantern.
Description Source: [link]: Millon, Henry A. and Craig Hugh Smyth. Michelangelo architect: the facade of San Lorenzo and the drum and dome of Saint Peter's. Milan: Olivetti, 1988.
Related Work:
      Relationship Type: [controlled]: part of
      [link to Related Work]: Saint Peter's Basilica (Vatican City, Rome, Italy)

Required and recommended elements are marked with an asterisk.