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July 8, 2026GeoHazardsOpen Access

On the Seismic Response of Irregular Concrete Building with Shark Dampers Considering SSI Effects

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Authors

MDMaria Eleni DiamantidouPKPanagiota KatsimpiniGPGeorge A. Papagiannopoulos

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Overview

Randomized trial investigates how dampers manage seismic response in irregular concrete buildings, suggesting crucial design strategies.

Key Points

  • The aim is to evaluate the seismic response of irregular RC frames with hysteretic dampers under SSI and pulse-like ground motions.
  • Conducted unscaled nonlinear time-history analyses of plan-irregular RC structures.
  • Assessed the effects of perimeter-distributed, short-stroke hysteretic dampers on structural performance.
  • Examined how SSI impacts structural torsional behavior and peak drift demands.
  • Foundation flexibility significantly elongates structural periods and increases peak inter-storey drift demands, exceeding 0.21%.
  • The hysteretic dampers provide immediate elastic stiffness, effectively counteracting SSI-induced period elongation.
  • The dampers mitigate torsional twisting and restrict peak drift amplifications to below 0.21%.

Cite This Study

Diamantidou et al. (2026) studied this question.

synapsesocial.com/papers/6a4de871d2ea289ef62831fehttps://doi.org/10.3390/geohazards7030083
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