Bridge Design Project

1
Bridge Design Project

• Margaret Hirsch, Millington-Central High School
• Crista Sabo, Bolton High School
• Angela Tobias, Houston High School

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Each Group Will

• Design a Bridge
• Build a Bridge
• Present Research and Conclusions

3
Bridge Design

• Research History
• Research Geometry
• Design
• Plan to Distribute Weight
• Connection Joints Make the Difference
• Draw Blueprints

Good Joint
Bad Joint
4
Blueprints

• Drawn on White Paper
• At least a top view and a side view
• Include Written Measurements

5
Bridge Construction

• General Good Carpentry Ideas
• Measure twice, cut once
• Practice
• Use the blueprints as a guideline
• Tape straws together

6
Rules for Bridge Design

• Goal
• Support as much weight as possible.
• Dimensions
• Span Length 18.00 in
• Span Width 6.00 in
• Materials and Elements
• 30 Straws
• One Roll of Scotch Tape
• 1 Paper Cup

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Bridge Presentation

• They all get broken
• Each bridge is placed on the Canyon of
  Destruction. Additional weight will be added
  until the bridge collapses or the cup falls off
  the bridge.

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Bridge Presentation

• Presentation
• Written questionnaire
• Journal entries
• Oral and Visual information
• 5-7 minutes
• Describe bridge design
• Demonstrate how much mass it supports
• Critique the success of your bridge design

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Scoring

• 200 Points Total
• 60 pt. Blueprint Quality
• 60 pt. Bridge Quality
• 80 pt. Research and Presentation Quality

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60 pt. Blueprint

• 10 pt. Creativity
• 20 pt. Neatness
• 30 pt. 2 views (at least)
• Side View
• Top View
• Add Front View if needed

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60 pt. Bridge

• 30 pt. Weight Categories
• 00-10 pennies
• 11-20 pennies
• 21-30 pennies
• 31-40 pennies
• 41-50 pennies
• 51-60 pennies
• 61 up pennies
• 20 pt. Finished Bridge Fits Design
• 10 pt. Aesthetic

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80 pt. Presentation

• 30 pt. Written Questionnaire
• 30 pt. Visual/Oral Presentation
• Organization (10 points)
• Informative (10 points)
• Creativity (10 points)
• 20 pt. Shared Effort and Teamwork
• Teacher observation (10 points)
• Work Journal (10 points)
• This is a journal page designed by the team of
  every moment worked on the project, listing who
  did what.
• Every entry (page?) needs to be signed by every
  member of group.

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Other Internet Sites that May Help

• Bridge Watching different bridges
• Newtons Apple - Bridges history designs
• Building Principles purpose of the designs
• Search Engines use key words physics bridge
• Alta Vista
• Yahoo!
• Excite