The Seismic Energy Dissipation Mechanism Of Rocking Structural Systems With Yielding Base Plates

The energy dissipation mechanism of the rocking structural system with yielding base plates is investigated based on seismic response analyses of four steel planar flame models with five stories and one bay. The potential energy of the self weight increasing with uplifting and the hysteresis damping...

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Bibliographic Details
Published inEarthquake Resistant Engineering Structures V Vol. 81; pp. 343 - 354
Main Authors Azuhata, T, Midorikawa, M, Ishihara, T
Format Journal Article Conference Proceeding
LanguageEnglish
Published Southampton W I T Press 01.01.2005
Subjects
Base plates
Damping capacity
Energy balance
Energy dissipation
Potential energy
Rigid structures
Seismic activity
Seismic energy
Seismic response
Steel
Vertical forces
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Summary:The energy dissipation mechanism of the rocking structural system with yielding base plates is investigated based on seismic response analyses of four steel planar flame models with five stories and one bay. The potential energy of the self weight increasing with uplifting and the hysteresis damping capacity of the yielding base plates are evaluated. Effects of vertical inertia force on the energy dissipation mechanism including impact effects are clarified. The energy dissipation of the system corresponding to the maximum momentary input energy is expressed using the maximum rigid body rotational angle. The maximum response displacements are predicted considering the energy balance condition of the system.
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ISBN:1845640187
9781845640187
ISSN:1746-4498
1743-3509
DOI:10.2495/ERES050331