Designing Bridges

Introduces your class to the types of loads experienced by a bridge. Groups calculate the ultimate load combinations to determine the maximum load requirement. Using this information, builders then determine the amount of material they need based upon their design.

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CCSS: Designed
NGSS: Designed
Instructional Ideas

  • Work some example problems as a class to determine the required bridge size
  • Lead a discussion about the bridge load signs that pupils may have seen and why there is a difference based upon the size of the truck
Classroom Considerations

  • Individuals should have a basic understanding of bridge types
  • The fourth installment in a 10-part unit
Pros

  • The answer documents have the mathematical calculations needed to arrive at the answers
  • The lesson plan includes the references used for the concepts presented
Cons

  • The lesson plan does not include details on an instructional method
Common Core

Included Materials - Join to Access

  • Load Combinations Worksheet (PDF)
  • Load Combinations Worksheet (Doc)
  • Load Combinations Worksheet Answers (PDF)
  • Load Combinations Worksheet Answers (Doc)
  • Project
  • Vocabulary
  • Vocabulary
  • Graphics & Images
NGSS