15/02/2026
As part of the Structural Design Workshop, we explored the behavior of slender columns and how their response differs from short columns in real structures.
Key takeaways from the workshop include:
• Increasing slenderness makes the column more susceptible to buckling.
• Axial load capacity decreases as lateral displacement increases.
• Additional moments from second-order effects (P–Δ and P–δ) reduce moment capacity.
• The P–M interaction curve shrinks, indicating lower structural efficiency.
Understanding the implications of slenderness in design is crucial. Ignoring it can lead to unsafe designs, while proper analysis ensures that columns can safely resist combined axial loads and bending moments.
Design strategies discussed included:
✔️ Considering second-order analysis
✔️ Providing adequate bracing
✔️ Understanding interaction diagrams for safe design
Great design is not only about strength; it’s about stability and controlling displacement.
