Structural Design and Construction · Lesson 18 of 27

Slender Columns and Slenderness Effects

A deep dive into column slenderness for the NSCP 2015 CELE, covering the slenderness ratio k lu / r, the effective length factor k for braced and unbraced frames, the radius of gyration of rectangular sections, the limits that let you treat a column as short, and the moment magnification method that turns a first-order moment M2 into the design moment Mc of a slender column.

15 min read · Super Ea