Unit 1 technological process

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  • 1. Unit 1.- TechnologicalProcess
    Practicalexample: BRIDGES
    I.E.S. SANTA ROSA DE LIMA
    TECNOLOGÍA 2º ESO
  • 2. Identifytheproblemornecessity.
    Searchforinformation.
    Design and construction.
    Evaluation of whathavebeenconstructed.
    Steps of technologicalprocess
  • 3. 1.- Identifytheproblem
    Problem: Cross a riverfromonesidetotheotherside
  • 4. Additionalproblems:
    ¿Isittoodeeptocrossbyfeet?
    ¿Istheretoomuchwaterstreamorcoldtemperaturetocrossswimming?
    1.- Identifytheproblem
  • 5. PossibleSolutions:
    a) A boatorcanoe b) A bridge
    2.- Searchforinformation
  • 6. We look forinformationaboutdifferentkind of bridges:
    2.- Searchforinformation
    Girder bridge
    Rope Bridge
    Arc bridge
    Triangulate
    bridge
  • 7. We look forinformationaboutdifferentkind of bridges:
    2.- Searchforinformation
    Suspension Bridge
    Cable-stayed bridge
  • 8. Drawingtheplans (CAD tools):
    3.- Design and Construction
  • 9. Simulationtests (CAE tools):
    3.- Design and Construction
  • 10. Constructionplanning:
    3.- Design and Construction
  • 11. Load tests:
    4.- Evaluation
    Dynamic Test
    Static test
  • 12. Tacoma Narrows Bridge
  • 13. Tacoma Narrows Bridge
    Firstdesignby Clark Eldridge (11$ million).
    Anotherdesign, byLeonMoisseiff, waschosen, reducingthe total cost (8$ million).
    Features:
    Total length of 1600 metres.
    Mainspan of 853 metres.
    Thefirstonebuiltusingplategirders.
    Collapsedfourmonthsafteritsopening.
    VIDEO
  • 14. Tacoma Narrows Bridge
    Afteritscollapse, the new Tacoma Narrows Bridge, built in 1950, replacedplategirdersbyaddingtrusses.
  • 15. In 2007 itwas open tothetraffic new Tacoma Narrows Bridge.
    Tacoma Narrows Bridge