Engineering guides & resources — ℯηgcαlc

Practical engineering guides on steel design, beam analysis, truss forces, deflection checks, and more — written for students and working engineers.

How to check beam deflection (and what limit to use)

Structural Analysis · 6 min read · Updated 2026-04-17

Deflection is a serviceability check, not a strength check. Here's the practical method: pick the right load combination, calculate δ, and compare to the right limit.