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Bridge Report

Bridge Report. Team Total Domination. Outline. Introduction…………….. Zach Chaviers Prototype……………….. Ali Nikkhah Final Design……………. Bobby Schneider Conclusion……………… Derrick Wang. Introduction Prototype Final Conclusion.

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Bridge Report

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  1. Bridge Report Team Total Domination

  2. Outline • Introduction…………….. Zach Chaviers • Prototype……………….. Ali Nikkhah • Final Design……………. Bobby Schneider • Conclusion……………… Derrick Wang Introduction Prototype Final Conclusion

  3. Problem • Build most efficient bridge • Efficiency: • Limited to 125 tongue depressors Introduction Prototype Final Conclusion

  4. Background • Warren Truss • Component testing • Four-step process Introduction Prototype Final Conclusion

  5. Prototype Design • 3 preliminary designs • Criteria for design • Simple • Triangle-based • Allow for easy layering Introduction Prototype Final Conclusion

  6. Construction • Warren Truss design used • Built quickly • Main goal: test structure Introduction Prototype Final Conclusion

  7. Before Testing Introduction Prototype Final Conclusion

  8. Test • Stable load increase • Bent at joint • Support popped out Introduction Prototype Final Conclusion

  9. Test Introduction Prototype Final Conclusion

  10. Results • Max load 397 pounds • Efficiency: 630 • Joints weak Introduction Prototype Final Conclusion

  11. Final Design • Fix weaknesses • Joints • Glue type • Precision • Symmetry Introduction Prototype Final Conclusion

  12. Construction • Graph paper • Clamping • Glue Coating Introduction Prototype Final Conclusion

  13. Before Testing Completed Final Bridge Introduction Prototype Final Conclusion

  14. Test • Stable load increase • Twisted • Did not break Introduction Prototype Final Conclusion

  15. Test Introduction Prototype Final Conclusion

  16. After Testing Dead Bridge Introduction Prototype Final Conclusion

  17. Results • Max load 811 pounds • Efficiency: 1080 • 71% more efficient Introduction Prototype Final Conclusion

  18. Summary • Truss Design • Prototype performed well • Minor changes made • Improved performance Introduction Prototype Final Conclusion

  19. Improving Final Design • Stabilizers created rectangles • Add triangles to prevent twisting Introduction Prototype Final Conclusion

  20. References • http://cee.carleton.ca/Exhibits/Tacoma_Narrows/ • http://www.nwrain.com/~newtsuit/recoveries/narrows/narrows.htm • http://www.bridgemeister.com/pic.php?pid=839 Introduction Prototype Final Conclusion

  21. Any Questions?

  22. Team TOTAL DOMINATION Ali Nikkhah Zach Chaviers Derrick Wang Bobby Schneider

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