Effective Length Factors for Type-PR Frame Members

by P. K. Basu, Vanderbilt Univ, United States,
S. L. Lee, Vanderbilt Univ, United States,

Document Type: Proceeding Paper

Part of: Building Code Requirements for Masonry Structures (ACI 530-88/ASCE 5-88) and Specifications for Masonry Structures (ACI 530.1-88/ASCE 6-88) (ACI 530.1-88/ASCE 6-88)


The effects of PR-Type connections and loading arrangement on frame stability and the effective length factor of columns are evaluated for portal frames and three-story three-bay frames with rigid and flexible connections and member and joint loads, as the test cases. Based on second-order linear and non-linear analysis of these frames, suitable conclusions are drawn regarding the choice of K-factors.

Subject Headings: Rigid frames | Steel structures | Steel frames | Structural stability | Structural safety | Structural analysis | Steel columns

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