Hysteretic energy response of steel moment-resisting frames with vertical mass irregu

Hysteretic energy response of steel moment-resisting frames with vertical mass irregu - Printable Version

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Hysteretic energy response of steel moment-resisting frames with vertical mass irregu - asim99 - 12-29-2012

Hysteretic energy response of steel moment-resisting frames with vertical mass irregularities

Dynamic analyses were carried out to study the seismic response of high-rise steel moment-resisting frames in
16-storey buildings. The frames are intentionally designed using three different design procedures: strengthcontrolled
design, strong column–weak beam controlled design, and drift-controlled design. The seismic performances
of the so-designed frames with vertical mass irregularities were discussed in view of drift ratio, plastic
hinge rotation, hysteretic energy input and stress demand. A demand curve of hysteretic energy inputs was also
presented with two earthquake levels in peak ground accelerations for a future design application.

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