Building Structural Design - Effective Lengths and Critical Loads
Chapter 4: Reinforced Concrete Columns, Part 2
This application calculates the effective length factors and critical loads for rectangular columns in braced or unbraced frames. A single story, all stories, or selected stories may be entered. The summations of the critical loads for each story computed by this application are used in Section 4.3 to compute the magnified moments to be used for design of the columns.