Which is harder to pull apart, a circle or a triangle?

Click For Summary
SUMMARY

The discussion centers on the comparative strength of circular and triangular rings for securing an anchor to an anchor trolley. It concludes that while both shapes can function effectively, a triangular ring is generally stronger due to its ability to distribute tension forces more evenly. The tension in the three lines connected to the ring plays a crucial role in determining its stability, with an equilateral triangle configuration providing optimal force distribution at 120° angles. Additionally, considerations regarding the radius of the inside corners of the ring in relation to the shackle pin are essential for ensuring effective load management.

PREREQUISITES
  • Understanding of tension forces in structural applications
  • Knowledge of geometric shapes and their properties
  • Familiarity with load distribution principles
  • Basic concepts of force vectors and angles
NEXT STEPS
  • Research the mechanics of tension in triangular configurations
  • Study the properties of circular versus triangular shapes in load-bearing applications
  • Learn about the triangle of forces and its applications in engineering
  • Explore the impact of connection point angles on structural integrity
USEFUL FOR

This discussion is beneficial for engineers, architects, and anyone involved in designing load-bearing structures, particularly those focused on anchor systems and tension management.

AmateurHour
Messages
4
Reaction score
0
In deciding which shape of ring I should use to secure an anchor to an anchor trolley I came across two choices, a circular ring or a triangular ring. While either will surely work, I began to wonder which would be more difficult to pull apart. Most of the information I found is about forces being exerted on the shapes from the outside going in like in the case of a load bearing structure. What I am wondering about is the opposite, how much force it would take to pull each shape apart.
 
Engineering news on Phys.org
The shape of one link from a chain would be better.
 
anorlunda said:
The shape of one link from a chain would be better.
The ring will be attached at three points so that is why I was wondering which shape would be stronger, a circle or a triangle.
 
There is more to be considered than just strength in selecting between the two shapes. Please provide more information about your application and the angles between the three connection points.
 
The solution will probably be a triangle.

The tension forces in the three lines will determine the shape and the position of the ring or node. You must draw up the triangle of forces. If the three forces are equal, then the triangle will be equilateral and the three force vectors will be at 120° to each other.

How will the tension lines be attached to the ring?
Will the inside corners of the ring have the same radius as the pin in the shackle used to connect the line?
 

Similar threads

  • · Replies 23 ·
Replies
23
Views
15K
  • · Replies 1 ·
Replies
1
Views
9K
  • · Replies 16 ·
Replies
16
Views
2K
  • · Replies 17 ·
Replies
17
Views
5K
  • · Replies 1 ·
Replies
1
Views
6K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 21 ·
Replies
21
Views
5K
  • · Replies 5 ·
Replies
5
Views
2K
  • · Replies 1 ·
Replies
1
Views
3K
  • · Replies 10 ·
Replies
10
Views
2K