The Incredible BridgeThe Incredible Bridgealice yi - collin larson - jason truong - michael lenningalice yi - collin larson - jason truong - michael lenning

Created by Team Incredible

Contents…Contents…

» Assignment» Materials» Design Ideas» Prototype

» Testing/Results

» Prototype Analysis» Flaws

» Improvements» Final Design» Final Results» Conclusion

Assignment…Assignment…

» Build bridge with materials provided that fit the guidelines

Materials Used…Materials Used…

» 6” Senior Tongue Depressors» Carpenter’s Wood Glue» Hot Glue» File» Binder Clips» Ruler/Saw/etc.

Design Ideas…Design Ideas…

» Main goals: » disperse weight to the sides» maximize amount of

compression the bridge can withstand

» efficiency (compression vs. mass)

Prototype…Prototype…» Design

Prototype…Prototype…

» Results:

» Weaknesses:A break in the base: A break in the arc:

Improvements…Improvements…

» Shortened the height» Added more layers » Focused on strengthening the

weak areas from prototype» Increased width of bridge» Added additional inner supports» Added decorations ^.^

Final Bridge…Final Bridge…

» Design

Final Bridge…Final Bridge…» Results:

» Attempt 1 (Horizontal):

>>Attempt 2(Vertical)>>Attempt 2(Vertical)

Conclusion…Conclusion…

» Better efficiency (weight - compression)

» Same weight, stronger bridge» By reducing height, adding strength

through layers, we achieved greatness!» First Bridge: 0.61 pounds,

held: 371 lbf» Final Bridge: 0.62 pounds,

held: 500.1 lbf