Frame Stability

by Jerome S. B. Iffland, Iffland Kavanagh Waterbury PC, New, York, NY, USA,
Charles Birnstiel, Iffland Kavanagh Waterbury PC, New, York, NY, USA,

Document Type: Proceeding Paper

Part of: Materials and Member Behavior

Abstract: The Chapter on Frame Stability of the Fourth Edition of the SSRC Guide provides guidance on use of several stability design procedures. These include Critical Load Concept, Second-Order Inelastic Analysis, P-Delta Methods, Merchant-Rankine Formula and Moment Amplification Method. Numerical examples are presented illustrating the use of these several methods and results are compared. It is concluded that all methods are safe. The P-Delta Method is the preferred design method to account for frame instability.

Subject Headings: Frames | Numerical methods | Inelasticity | Structural stability | Load and resistance factor design | Critical loads

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