Truss Design Challenge Experiment - Group 6
Description
Experiment Description For This Experiment, The Students In The Lab Were Required To Design A Truss Or Bridge To Span A Specific Distance And Resist A 100 Lb Load In A Four Point Flexure Test. All The Requirements For The Bridge Are Shown Below: • Span Length Of 400 Mm • Width Of 75 Mm • Maximum Height Of 75 Mm • Maximum Weight 100 Grams • Must Hold 45 Kg (100 Lbs) • No Adhesion (Glue, Etc..) For Connections The Challenge For The Student In This Experiment Was Their Bridge Had To Be Printed In Separate Parts Because The Bridges Were To Large To Print All At Once. The Students Had To Design Connections For These Parts Without The Use Of Glue Or Other Adhesives. The Connection Design Was Critical Because That Is The Weakest Points On Their Trusses. Information On Group 6’S Bridge: This Is The Design From Group 6 In The Laboratory. Their Truss Design Is Commonly Known As A Warren Truss. This Group Kept Their Design Simple With A Total Of 2 Parts. They Designed Their Truss To Have As Few Parts As Possible To Allow Rapid Prototyping And Testing. This Group Ran Multiple Test With Varying Member Thicknesses To Determine The Exact Thickness They Would Need To Resist The 100 Lb Load. The Bridge Had A Total Weight Of 102 Grams And Resisted A Load Of 99 Lbs. The Truss Failed Due To Overturning Laterally. The Group Recommended Using Cross Bracing Instead Of Straight Lateral Braces To Improve The Design Of Their Truss. Note: The Handout For This Experiment Will Be Available Soon. I Will Provide A Link To The Handout In This Description When It Is Complete, So You Can Perform This Experiment Yourself Or With Your Students.
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