Statics › Section F · Equilibrium of structures › Topic F.4
The method of joints
Every pin in a truss is a tiny particle in equilibrium. Solve them one at a time, passing each answer to the next joint, and you can find the force in every member of a determinate truss.
In this topic
- Joints as particles
- The procedure
- Drawing a joint diagram
- Resolving member directions
- Worked example: a roof truss, reactions and supports
- Worked example: a roof truss, finishing and checking
- Worked example: a wall bracket without reactions
- Reading the results
- Solving all joints at once
- Common mistakes to avoid
- Key takeaways
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