CIEN_E1201_-_04_Eads,_Garabit,_and_Firth_of_Forth

CIEN_E1201_-_04_Eads,_Garabit,_and_Firth_of_Forth - Second...

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The Art of Structural Design
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The Eads Bridge, the Garabit Viaduct, and the Firth of Forth Bridge
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Big Metal Bridges for Railroads LOCOMOTIVE LOADING A. wide-water crossings long stiff spans: cables replaced by arches Eads Bridge B. traction vehicle requires gentle grades high viaducts subjected to heavy winds Garabit Viaduct C. rough estuaries Firth of Forth Bridge
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Designers as Artists James B. Eads and the railroad competition Gustave Eiffel and the wind Benjamin Baker and the longest span
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Designers as Artists James B. Eads and the railroad competition Gustave Eiffel and the wind Benjamin Baker and the longest span
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Pia Maria Bridge – 160 meters 1875 design competition 8 ENTRIES
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Pia Maria Bridge – 160 meters 1875 design competition
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Unformatted text preview: Second lowest bid : no quarter point support heavy horizontal girders Lowest bid by Gustave Eiffel : quarter point support from arch lighter horizontal girders Pia Maria Bridge – Garabit 1877 – deck merges into the top of arch on the 160 meter Pia Maria 1884 – deck is above the arch on the 165 meter Garabit Pia Maria Bridge – Garabit 1877 – deck merges into the top of arch on the 160 meter Pia Maria 1884 – deck is above the arch on the 165 meter Garabit Garabit vs. Müngstener Form : 2 hinged arch fixed arch Approach : 165m span 170m span Support : separate pier pier into arch Pier : related unrelated Quarter Point Support : yes yes Firth of Tay Disaster 1879 Firth of Tay Disaster 1879...
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CIEN_E1201_-_04_Eads,_Garabit,_and_Firth_of_Forth - Second...

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