Lesson title: 2D to 3D Truss Bridge Building
High School: Bridge Building Constraints
[NOTE: A pdf version of this page is available; see navigation box on the right.]
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Figure 1: From page 64 of Noyce, Pendred E, Engineering Bridges Connecting the World, Boston: Tumblehome, Inc., 2019 |
Must be freestanding
- Bridge must not weigh more than __________*
- Bridge must have a road that spans 8 inches long, 3 inches wide, and has guardrails on both side of the bridge
- May only use the provided resources
- Budget must not exceed $500,000
- Must be able to support the weight of one or more of the following for 10 seconds without buckling
- Ten toy cars
- Four block erasers
*Must be as close to the chosen patented design as possible*
Budget Sheet: Please see file
Materials Fees
- Construction Paper: $10,255 per sheet
- Scissors: $15,000 per scissors
- Tape: $50,000 per roll 9 (2 meters)
- Ruler: $10,000
Construction Fees
- Labor Cost: 45,000 per person in group + $65.87 per minute worked
Disposal Fee:
- Construction Paper: $5,127.50 per sheet returned
- Construction Paper: $2,563.75 per sheet; portion of sheet returned practices fee
- Tape: $25,000 per roll returned