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Effective Length and Notional Load Approaches for Assessing Frame Stability : Implications for American Steel Design
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1997
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EngineeringMechanical EngineeringStructural ApplicationStructural PerformanceRestrained ConnectionsStructural OptimizationStructural SteelStructural SystemStructural EngineeringStabilityLrfd PracticeUnusual ConditionsAmerican Steel DesignAssessing Frame StabilityDesignStructural Health MonitoringStructural DesignLoad-bearing CapacityCivil EngineeringStructural AnalysisStructural MechanicsConstruction EngineeringEffective Length
Examples illustrate the procedures for both common and unusual conditions encountered in practice. This document is applicable to both unbraced and braced frames having either fully restrained or partially restrained connections. In addition, even though most of the discussions pertain equally to either AISC Allowable Stress Design or LRFD practice, all discussions in this report are framed within the context of the more current LRFD specification. A practical introduction to this material is provided through the discussions of the assumptions, advantages, and disadvantages of each of the methods and through step-by-step examples. The more detailed discussions and derivations provide a reference regarding some of the more complex issues involved with design for stability.