Fluid viscous dampers (FVDs) are well-established supplemental energy dissipation
devices that have been widely used for earthquake protection of structures. Optimal design …

This paper presents a simple and affordable design procedure for the seismic upgrade of
frame structures equipped with hysteretic dampers. The proposed framework is aimed at …

Recent studies showed that while code-compliant structures can generally protect the safety
of the occupants, they may exhibit extensive damages during strong earthquake events. On …

The paper presents the experimental characterization, the formulation of a numerical model,
and the evaluation, by means of non-linear analyses, of a new friction damper conceived for …

In the present work a direct procedure for the preliminary seismic design of building
structures with added dampers is described which represents the simplification of the so …

Nonstructural damage has been found to critically influence economic losses and building
downtime following earthquakes. Attaining a target level of seismic performance mandates …

Concrete frame has been one of the most widely employed structural types in engineering
practice and would also have widespread application in the future. However, severe failure …

In this paper, an optimization approach for the seismic retrofitting of inelastic moment
resisting frames (MRFs) equipped with nonlinear fluid viscous dampers (FVDs) and negative …

Viscous dampers, as effective energy-dissipation devices, have been widely used for
seismic mitigation of building structures. Due to the intrinsic uncertainties of structural …

SUMMARY A new methodology for performance‐based optimal seismic retrofitting using a
limited number of size groups of viscous dampers is presented. The damping coefficient of …