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Making Strong Structures Research Sources & Topics

Making Strong Structures Research Sources & Topics. Brad Winsor. What Will We Be Reviewing?. Web resources  click here Common types of bridges Truss, suspension, cable stayed, solid ribbed arch, continuous spans, cantilever spans Structural engineering terms

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Making Strong Structures Research Sources & Topics

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  1. Making Strong StructuresResearch Sources & Topics Brad Winsor

  2. What Will We Be Reviewing? • Web resources  click here • Common types of bridges • Truss, suspension, cable stayed, solid ribbed arch, continuous spans, cantilever spans • Structural engineering terms • Compression, tension, shear, gusset plate, deck, strut, tie, footing, camber, truss, live load • Strength to weight ratio • Means of determining structural efficiency

  3. Common Bridges

  4. Common Bridges

  5. Common Bridges

  6. Common Bridges

  7. BridgeVocabulary • CompressionStress characterized by pressing together. • TensionStress characterized by pulling apart. • ShearStress placed transversely on a member in opposite directions.

  8. Bridge Vocabulary • Gusset plateA metal plate used to unite multiple structural members of a truss. • DeckThe top surface of a bridge which carries the traffic. • StrutA compressive member. • TieA tension member of a truss.

  9. Bridge Vocabulary FootingThe enlarged lower portion of the substructure or foundation which rests directly on the soil, bedrock, or piles; usually below grade and not visible. • CamberA positive, upward curve built into a beam which compensates for some of the vertical load and anticipated deflection.

  10. Bridge Vocabulary • TrussA structural form which is used in the same way as a beam, but because it is made of an web-like assembly of smaller members it can be made longer, deeper, and therefore, stronger than a beam or girder while being lighter than a beam of similar dimensions. • Live loadThe dynamic or moving weight, such as traffic, carried by a structure.

  11. Strength to Weight Ratio • A measure of the efficiency of a structure • Normally associated with bridges • Compares the weight of the structure to the amount of weight it can carry or support without collapsing Strength to weight ratio: supported weight / structure weight

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