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HISTORIC BRIDGES

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Bridge 'a structure spanning and providing passage over a river, chasm, road, or the like' ... 3. Golden Gate Bridge (CA) - http://www.pbs.org/wgbh/buildingbig/wonder ... – PowerPoint PPT presentation

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Title: HISTORIC BRIDGES


1
HISTORIC BRIDGES
1
  • Alan Lutenegger

2
What Are Bridges?
  • Bridge
  • a structure spanning and providing passage over
    a river, chasm, road, or the like
  • (Random House Unabridged Dictionary of the
    English Language 2nd ed.)

3
(Short) History of Bridges
  • PreHistory
  • Early Civilizations
  • Classic Civilizations (Romans, Greeks, etc.)
  • Middle Ages
  • Renaissance Engineers
  • Victorian Era
  • Modern Era

4
Designing Bridges
  • Materials
  • Wood
  • Stone
  • Concrete
  • Iron
  • Steel
  • Forms
  • Arch
  • Beam
  • Suspension

5
Bridge Forms
Arch
Beam
2
Suspension
4
3
6
Bridge Form Variations
Cantilever (Beam)
Cable-Stayed (Suspension)
5
6
7
Variations in Material
7
8
Stone
Iron
10
9
Concrete
Steel
8
Variations in Design
11
12
13
9
Variations in Style
14
15
16
17
10
Some Local Examples of Historic Bridges
  • Bridges are Everywhere!
  • All We Have to do is look!!

11
Springfield Bridge
12
Deerfield River Bridge
13
Bardwells Ferry Bridge
14
French King Bridge
15
Shelburne Falls Bridges
16
Turners Falls Suspension Bridge
17
Find a Bridge to Explore in Your Town
18
Some Student Exercises
  • What is the form of the bridge?
  • What is the primary material?
  • What is the span of the bridge?
  • ???????

19
Photo Sources
  • 1. Garabit Viaduct (France) -
    http//www.structurae.de/en/structures/data/str000
    27.php
  • 2. New River Gorge Bridge (WV) -
    http//www.wvepostcards.com/postcards/?picture/pi
    mages/nrgorge-f2.jpg
  • 3. Golden Gate Bridge (CA) -
    http//www.pbs.org/wgbh/buildingbig/wonder/structu
    re/goldengate_bridge.html
  • 4. Kocher Viaduct (Germany) -
    http//moment.mit.edu/imageLibrary/images/large_im
    ages/Fig43.JPG
  • 5. Firth of Forth Bridge (Scotland) -
    http//www.structurae.de/en/structures/data/str000
    24.php
  • 6. Leonard P. Zakim Bunker Hill Bridge (MA) -
    http//www.bigdig.com/thtml/f081401/img020.htm
  • 7. Pont du Gard (France) - http//www.chch.sch
    ool.nz/mbc/pontdu.htm
  • 8. Iron Bridge (England) - http//www.pbs.org/
    wgbh/buildingbig/wonder/structure/iron_bridge.html
  • 9. Natchez Trace Parkway Arches (TN) -
    http//www.fhwa.dot.gov/eihd/natchez.htm
  • 10. Sydney Harbor Bridge (Australia) -
    http//www.izix.com/personal/travel/australia/imag
    es/SydneyHarborBridge.jpg
  • 11. Sunshine Skyway Bridge (FL) -
    http//www.pbs.org/wgbh/nova/bridge/meetcable.html
  • 12. Ganter Bridge (Switzerland) -
    http//www.geocities.com/big_bridges1/ganter.html
  • 13. Erasmus Bridge (The Netherlands) -
    http//www.xs4all.nl/mosm/English/Rotterdam_us/er
    asmus2_us.html
  • 14. George Washington Bridge (NY) -
    http//www.earthspeaks.com/tb/images/large/1114_76
    .jpg
  • 15. Golden Gate Bridge (CA) -
    http//www.pbs.org/wgbh/buildingbig/wonder/structu
    re/goldengate_bridge.html
  • 16. Verrazano Narrows Bridge (NY) -
    http//www.mta.nyc.ny.us/bandt/html/veraz.htm
  • 17. Brooklyn Bridge (NY) - http//www.endex.com/
    gf/buildings/bbridge/bbgallery/bb3/Dscn1553cx.jpg
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