sample bridge design document - fresno unified … bridge design document: research: in this section...

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SAMPLE Bridge Design Document: Research: In this section students will answer a research question related to their project. They will be scored on the relevance of their question, how well they answer the question and cite their sources. (5 or more reliable sources) Sample Questions: What are the benefits/limitations of different bridge structures? What roles do compression and tension play in a bridge structure? What makes a good bridge? Specifications: Drawing Board View of Bridge (from West Point Bridge Design): 3D Model of Bridge (from Sketchup): Picture of actual Bridge:

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Page 1: SAMPLE Bridge Design Document - Fresno Unified … Bridge Design Document: Research: In this section students will answer a research question related to their project. They will be

SAMPLEBridgeDesignDocument:

Research:Inthissectionstudentswillansweraresearchquestionrelatedtotheirproject.Theywillbescoredontherelevanceoftheirquestion,howwelltheyanswerthequestionandcitetheirsources.(5ormorereliablesources)

SampleQuestions: Whatarethebenefits/limitationsofdifferentbridgestructures?

Whatrolesdocompressionandtensionplayinabridgestructure?Whatmakesagoodbridge?

Specifications:DrawingBoardViewofBridge(fromWestPointBridgeDesign):

3DModelofBridge(fromSketchup):

PictureofactualBridge:

Page 2: SAMPLE Bridge Design Document - Fresno Unified … Bridge Design Document: Research: In this section students will answer a research question related to their project. They will be

BridgeDimensions: Length:212mm Width:22mm Height:38mm

Testing:VirtualTesting:StudentswillexplainhowtheydesignedandtestedtheirbridgeintheWestPointBridgeDesignprogramandwhatmodificationstheymadetoimproveitsstructuralefficiency.Thiscouldincludeminoradjustmentssuchasincreasing/decreasingthesizeofindividualcomponents;ormajorchangessuchascompleteredesignoruseofacompletelydifferentstructure.PictureofLoadTestinWPBD:

PhysicalTesting:Studentswilldescribewhatmodificationstheymadeaftertestingtheirbridgepastitsbreakingpoint.Theyshouldincludeapictureofthebrokenbridgeandexplainwhatchangesweremadetoincreasestrengthandpreventrepeatedfailure.PictureofBrokenBridge:

Conclusion:Wedecidedto…Wealso…toincreasestructuralefficiency.Thenwe…toincreasethestrengthofpieces4and16sotheydidn’tbreakagain.Fromourresearchwelearnedthat…