Designing bridge not perpendicular with ground

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SUMMARY

This discussion focuses on the design of a bridge that spans a 35 cm distance with one end elevated 5 cm, resulting in an angled structure rather than a perpendicular one. Participants clarify the terminology, emphasizing the need to calculate the forces exerted on each member of the bridge. The conversation suggests that the context may involve a small-scale model, potentially for educational purposes. Accurate force calculations are essential for ensuring structural integrity in non-perpendicular bridge designs.

PREREQUISITES
  • Basic understanding of bridge engineering principles
  • Knowledge of force analysis in structural mechanics
  • Familiarity with trigonometry for calculating angles and forces
  • Experience with small-scale model construction techniques
NEXT STEPS
  • Research methods for calculating forces in non-perpendicular bridge designs
  • Explore structural analysis software tools for modeling bridge forces
  • Study trigonometric applications in engineering for angle-related calculations
  • Investigate materials and construction techniques suitable for small-scale bridge models
USEFUL FOR

Engineering students, hobbyists in model bridge construction, and professionals involved in structural design and analysis will benefit from this discussion.

KaylaJ
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I was wondering how to approach building a bridge which must lie across to points of differing points (one end is elevated 5 cm off the ground), meaning the bridge lies at an angle across a 35cm expanse. How would you calculate the forces exerted on each member if the bridge does not lie perpendicular with the ground? Thanks!
 
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KaylaJ said:
I was wondering how to approach building a bridge which must lie across to points of differing points (one end is elevated 5 cm off the ground), meaning the bridge lies at an angle across a 35cm expanse. How would you calculate the forces exerted on each member if the bridge does not lie perpendicular with the ground? Thanks!
Welcome to the PF.

I think you mean to ask about the case where the bridge is not "parallel" to the ground, rather than "perpendicular" to the ground, right? :smile:

What is the context of the question? You are using small dimensions in your question, so I'm assuming that this is a small/scale model of a bridge? Is this for a schoolwork project?
 

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