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Bridges - types

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					Bridges


          Engineering Design
          Mrs. Hodgson
                    Materials
   Steel
     Beams
     Cables
     Connections

   Concrete
     Roadway
     Beams

   Stone
   Wood
      What do bridges Carry?
   Cars, Trucks, Motorcycles, etc…
   Trains
   People
   Pipes – gas, water, electric wires, etc…
   Extreme Loads - earthquakes/wind/impacts
    All of these are “Live Loads”

    Self-weight is “Dead Load”
             Types of Bridges
   Girder
     Simple spans
     Continuous spans
      Girder Bridge

Simple Span                      Simple Span




              Continuous Spans
   Girder Bridge




How many spans do you see?
             Types of Bridges
   Girder
     Simple spans
     Continuous spans

   Truss
     Through truss
     Pony truss

     Deck truss
What is a Truss?
 Truss Types: Bridges




Through   Pony      Deck
 Truss    Truss     Truss
Bridge Truss Types
Truss Bridges
     Top Chord


Vertical




           Bottom Chord
Truss Bridges
Trusses
                 Truss Bridges
Victory Bridge
                Truss Bridges


SR33 Bridge
Northampton County, PA
             Types of Bridges
   Girder
     Simple spans
     Continuous spans

   Truss
     Through truss
     Pony truss

     Deck truss
   Arch
     Tied arch
     Fixed arch
Fixed Arch
Tied Arch
         Arch Bridges




Cold Spring Arch Bridge
Santa Barbara, CA
Fixed arch
            Arch Bridges
                       Birmingham Bridge
                       Pittsburgh, PA
                       Tied Arch




Fort Duquesne Bridge
Pittsburgh, PA
Tied Arch
             Types of Bridges
   Girder                  Cable-stayed
     Simple spans
     Continuous spans

   Truss
     Through truss
     Pony truss
     Deck truss

   Arch
     Tied arch
     Deck arch
Cable-stayed Bridges
 Cable-stayed Bridges
                 Sunshine Skyway
                 Tampa Bay, FL




Millau Viaduct
France
             Types of Bridges
   Girder                  Cable-stayed
     Simple spans          Suspension
     Continuous spans

   Truss
     Through truss
     Pony truss
     Deck truss

   Arch
     Tied arch
     Deck arch
Suspension Bridges
                       Bay Bridge
                       San Francisco, CA




    Manhattan Bridge
    New York, NY
  Suspension Bridges

                     Bronx-Whitestone Bridge
                     New York, NY




Golden Gate Bridge
San Francisco, CA
        Suspension Bridges
                           Brooklyn Bridge
                           New York, NY




Verrazano Narrows Bridge
New York, NY
Mixed Bridge Types
Brooklyn Bridge
Foundations
Questions?

				
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posted:7/31/2012
language:English
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