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BRIDGES

Dive into the world of bridge construction with this informative guide by Benjamin Cole, P.E. Discover unusual bridge types not commonly seen in Iowa, explore the process of bridge building by the IDOT-ABC, and witness fascinating time-lapse videos of projects like Keg Creek Bridge. Understand the factors influencing bridge design, such as span lengths, forces like water and live loads, and the impact of natural disasters like wind and earthquakes. Delve into the history and engineering behind infamous bridge collapses like the Tacoma Narrows Bridge disaster. Whether you're crossing a river or a road, this resource provides insights into choosing the right bridge type for your needs.

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BRIDGES

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  1. BRIDGES By: Benjamin Cole, P.E.

  2. Cool Bridges Not Common to Iowa

  3. How Do Bridges Get Built IDOT - ABC http://www.iowadot.gov/bridge/abc.htm Keg Creek (illustration) http://www.iowadot.gov/us6kegcreek/ Keg Creek (time lapse) • https://www.youtube.com/watch?v=4E9VUslZUwA

  4. Choosing a Bridge Type • What is it crossing? A river, a road? • How long does it need to be? Span Lengths • How strong does it have to be? • How much will it cost?

  5. Forces on Bridges • Water (flooding)

  6. Forces on Bridges • Live Load (Cars, Trucks, etc.)

  7. Forces on Bridges • Wind - Tacoma Narrows Bridge Collapse • https://www.youtube.com/watch?v=nFzu6CNtqec • Earthquakes

  8. Links Tacoma Narrows Bridge Collapse • https://www.youtube.com/watch?v=nFzu6CNtqec IDOT - ABC http://www.iowadot.gov/bridge/abc.htm Keg Creek time lapse • https://www.youtube.com/watch?v=4E9VUslZUwA Massena Bridge slide (time lapse) • https://www.youtube.com/watch?v=CuPQxvkETrI

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