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Encyclopedia of Earthquake Engineering pp 260–280Cite as

Behavior Factor and Ductility

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Synonyms

Behaviour factor; Damage; Ductility; Inelastic design; Reinforced concrete; Response spectrum; Seismic design

An Introduction: Evolution of Inelastic Design and Justification for Using a Behavior Factor for Extreme Transient Load Designs

The force-based design philosophy adopted by current design codes prescribes that the design of the structural system and the sizing and reinforcing of its structural elements are developed under prescribed equivalent statically applied forces. Structural design against seismic loads follows an ultimate limit state (ULS) design, since the excitation levels considered have very low probabilities of being exceeded. In this context, limit analysis of the structures is enforced possibly using a load factor and unfactored resistance approach or, in most cases, a partial factor – load and resistance factor – design approach (e.g., EC8 2004). Historically, earlier generations of seismic design codes adopted throughout the world a serviceability...

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Author information

Authors and Affiliations

  1. Department of Structural Engineering, Faculty of Civil Engineering, National Technical University of Athens, Zografou Campus, Athens, Greece

    Christos A. Zeris

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  1. Christos A. Zeris
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Correspondence to Christos A. Zeris .

Editor information

Editors and Affiliations

  1. Institute for Computer Science in Civil Engineering, Gottfried Wilhelm Leibniz, University Hannover, Hannover, Germany

    Michael Beer

  2. Department of Civil Engineering & Engineering Mechanics, Columbia University, New York, NY, USA

    Ioannis A. Kougioumtzoglou

  3. Institute for Risk & Uncertainty and Centre for Engineering Sustainability, Liverpool, UK

    Edoardo Patelli

  4. Institute for Risk & Uncertainty and Centre for Engineering Dynamics, Liverpool, UK

    Siu-Kui Au

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Zeris, C.A. (2015). Behavior Factor and Ductility. In: Beer, M., Kougioumtzoglou, I.A., Patelli, E., Au, SK. (eds) Encyclopedia of Earthquake Engineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-35344-4_118

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