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The Effect of Bridge Design on the Amount of Weight that can be Sustained

CSEF · 2013 Applied Mechanics & Structures

Lucas G. Wong · Redwood High School, Larkspur, Marin County

Overview

Objectives/Goals The objective is to see which design out of the 3 truss designs of 30-60-90 triangles, right isoceles triangles or eqilateral triangles sustain a larger weight load. Methods/Materials The objective is to see which design out of the 3 truss designs of 30-60-90 triangles, right isoceles triangles or eqilateral triangles sustain a larger weight load. Results Out of the three designs, the equilateral truss bridge ended up sustaining the most weight, holding an average of 114.08 pounds. The second best design was the 30-60-90 truss bridge which sustained an average of 74.94 pounds. Lastly the right isoceles truss bridge sustained the least weight, holding an average of 46.81 pounds. Conclusions/Discussion In conclusion my hypothesis was supported. My initial logic of "equally" distributing the weight with equal angle measures proved to have a role in this experiment.

Summary statement

My project is about the effect of different bridge designs on the amount of weight that can be sustained

Help received

None

Competition history

  • CSEF 2013 Applied Mechanics & Structures · Entry S0328

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