completed in 537 ad, dome span of 32 m · pdf fileguastavino vaulting • research...
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Analysis of Historic Structures
John Ochsendorf, Assistant ProfessorMIT Building Technology Program
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Hagia Sophia, Istanbul
Image courtesy of Ozgu Bayrak, structurae.de
Completed in 537 AD, dome span of 32 m
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Hagia Sophia, Istanbul
Partial collapse of dome,due to earthquakes:
558 AD (east quadrant)869 AD (west quadrant)
1346 AD (east quadrant)Image courtesy of Adrien Mortini, structurae.de
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Beauvais Cathedral
• Partial collapse in 1284
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Beauvais Cathedral
• Tower built in 1569
• Height of 153 m
• Supported on piers
• Tower collapsed 1573
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Basilica of St. Francis in Assisi, Italy
13th C construction
Frescoes by Giotto
Image courtesy of Rob Jaffe, structurae.de
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1871 Fire in Chicago
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Boston Public Library, 1889-1890
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1886 Patent for Fireproof Building
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R. Guastavino Co. (1889-1962)
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Essay of 1893
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Load Testing by Guastavino Sr.
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Load Testing by Guastavino Sr.
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Spiral Staircases in Compression
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Tiffany Building, NY, 1906
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Grand Central Station, NY, 1913
Image courtesy of Adrien Mortini, structurae.de
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Guastavino Vaulting
• Research questions
– Mechanics of tile vaults
– Calculation methods used by Guastavino
– Analysis of complex forms, like spiral staircases
– etc