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  • International Database and Gallery of Structures

Saint Peter's Basilica

Saint Peter''s Basilica

General Information

Structural Type: Dome
Function / usage: Basilica
Completed in: 1590
Status: in use

Geographic Information & Related Structures

Location: Vatican City, Europe
Coordinates: 41° 54' 8.00" N    12° 27' 12.00" E

Technical Information

Dimensions

height 137 m
total length 193 m
dome diameter 42 m

Materials

dome masonry
tension ring iron

Chronology

18th century

The original iron tension rings placed in the masonry dome by Michelangelo were apparently insufficient so that serious cracking appeared in the dome by the 18th century. Vatican engineers added several more tension rings which seems to have been sufficient until now.

Relevant Web Sites

Relevant Publications

Internal Information

Structure-ID: s0001062
Created: 05/10/2000
Last Updated: 05/03/2013