Damage-based design of multiple tuned mass dampers to improve the seismic performance of steel frame structures

MA Shahraki, R Kamgar, H Heidarzadeh - Soil Dynamics and Earthquake …, 2023 - Elsevier
Tuned mass dampers are robust tools that can control the undesired vibrations induced by
wind and earthquakes. Although vibration control systems such as tuned mass dampers …

Improvement of performance level of steel moment-resisting frames using tuned mass damper system

M Dadkhah, R Kamgar, H Heidarzadeh… - Applied Sciences, 2020 - mdpi.com
In this paper, parameters of the tuned mass dampers are optimized to improve the
performance level of steel structures during earthquakes. In this regard, a six-story steel …

Reducing the cost of calculations for incremental dynamic analysis of building structures using the discrete wavelet transform

M Dadkhah, R Kamgar… - Journal of Earthquake …, 2022 - Taylor & Francis
The method of incremental dynamic analysis (IDA) is one of the most accurate nonlinear
seismic analyses. IDA is a time-consuming method and has a high computational cost. Also …

Seismic collapse capacity of basic inelastic structures vulnerable to the P‐delta effect

C Adam, C Jäger - Earthquake Engineering & Structural …, 2012 - Wiley Online Library
The collapse capacity of earthquake‐excited inelastic nondeteriorating SDOF systems,
which are vulnerable to the destabilizing effect of gravity loads (P‐delta effect), is evaluated …

Seismic assessment of structures and lifelines

M Fragiadakis, D Vamvatsikos, MG Karlaftis… - Journal of Sound and …, 2015 - Elsevier
We discuss the current state-of-the-art on the assessment of systems (structures and
lifelines) subjected to seismic loading. Severe earthquakes are random events that may …

Predicting the seismic collapse capacity of adjacent structures prone to pounding

F Kazemi, B Mohebi… - Canadian Journal of Civil …, 2020 - cdnsciencepub.com
In crowded cities, many structures are often constructed in a very close vicinity; therefore,
during severe earthquakes, pounding phenomenon occurs due to out-of-phase vibrations of …

Simplified collapse capacity assessment of earthquake excited regular frame structures vulnerable to P-delta

C Adam, C Jäger - Engineering structures, 2012 - Elsevier
In this paper the prediction of the global collapse capacity of earthquake excited regular
moment-resisting frame structures is discussed. The addressed flexible planar frame …

Intensity measures that reduce collapse capacity dispersion of P-delta vulnerable simple systems

S Tsantaki, C Adam, LF Ibarra - Bulletin of Earthquake Engineering, 2017 - Springer
The study evaluates two alternative seismic intensity measures (IMs) that reduce the
collapse capacity dispersion of inelastic non-degrading single-degree-of-freedom (SDOF) …

Improving the nonlinear seismic performance of steel moment-resisting frames with minimizing the ductility damage index

M Dadkhah, R Kamgar, H Heidarzadeh - SN Applied Sciences, 2021 - Springer
In this paper, the parameters optimization of a tuned mass damper (TMD) is presented to
enhance the seismic performance of a six-story steel structure based on the ductility damage …

Seismic collapse capacity assessment of SDOF systems incorporating duration and instability effects

MA Bravo-Haro, M Liapopoulou… - Bulletin of Earthquake …, 2020 - Springer
This paper presents a detailed investigation into the seismic response of non-deteriorating
and deteriorating single degree-of-freedom systems controlled by P-Δ P-Δ effects, with due …