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Structural Engineering and Mechanics
  Volume 12, Number 3, September 2001 , pages 249-266

Investigation of dynamic P-delta effect on ductility factor
Sang Whan Han, Oh-Sung Kwon and Li-Hyung Lee(Korea)

    Current seismic design provisions allow structures to deform into inelastic range during
design level earthquakes since the chance to meet such event is quite rare. For this purpose, design base
shear is defined in current seismic design provisions as the value of elastic seismic shear force divided by
strength reduction factor, R (
Key Words
    P-D effect; strength reduction factor; ductility factor.
Sang Whan Han, Oh-Sung Kwon and Li-Hyung Lee, Department of Architectural Engineering, Hanyang University, Seoul 133-791, Korea

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