The influence of the axial restraint on the overstrength of short links

L Manganiello, R Montuori, E Nastri, V Piluso - Journal of Constructional …, 2021 - Elsevier
Eccentrically braced frames (EBFs) constitute a good structural solution located between
Moment Resisting Frames (MRFs) and Concentrically Braced Frames (CBFs) because they …

Experimental study on seismic performance of replaceable shear links with low-yield-point steel

Y Tong, M Wang - Journal of Constructional Steel Research, 2024 - Elsevier
Based on the design concept of controllable seismic damage during earthquakes and rapid
functional recovery after earthquakes, a replaceable shear link with low-yield-point steel was …

Utilizing low yield point steel to improve the behavior of the i-shaped shear links as dampers

A Ghamari, C Thongchom, R Putra Jaya, T Sithole - Buildings, 2023 - mdpi.com
Concentrically braced frame (CBF) systems are susceptible to buckling (which causes a
decrease in energy absorption), although this system has considerable lateral stiffness and …

An innovative steel damper with a flexural and shear–flexural mechanism to enhance the CBF system behavior: an experimental and numerical study

A Ghamari, B Almasi, C Kim, SH Jeong, KJ Hong - Applied Sciences, 2021 - mdpi.com
An innovative passive energy damper is introduced and studied experimentally and
numerically. This damper is designed as the main plate for energy absorption which is …

An Innovative shear link as damper: an experimental and numerical study

A Ghamari, YJ Kim, J Bae - Steel and Composite Structures, An …, 2022 - dbpia.co.kr
Concentrically braced frames (CBFs) possess high stiffness and strength against lateral
loads; however, they suffer from low energy absorption capacity against seismic loads due …

Utilizing an I-shaped shear link as a damper to improve the behaviour of a concentrically braced frame

A Ghamari, YJ Kim, J Bae - Journal of Constructional Steel Research, 2021 - Elsevier
Over the past few decades, concentrically braced frames (CBFs) have become a commonly
used load-resistant bearing system in steel structures. CBF systems have high lateral …

A novel hysteretic restoring force model for shear link dampers: A machine learning approach

A Elgammal, Y Ali - Structures, 2024 - Elsevier
This research presents an enhanced restoring force model for shear link dampers along with
a machine learning-based approach to predict its hardening parameters. The conducted …

Development of an innovative metallic damper for concentrically braced frame systems based on experimental and analytical studies

A Ghamari, C Kim, SH Jeong - The Structural Design of Tall …, 2022 - Wiley Online Library
Although concentrically braced frames (CBFs) possess high lateral stiffness and strength,
the buckling of compressive members indicates that a system does not have appropriate …

Experimental and numerical study on an innovative trapezoidal-Shaped damper to improve the behavior of CBF braces

C Thongchom, A Ghamari, R Putra Jaya… - Buildings, 2023 - mdpi.com
Among the existing passive energy dampers, I-shaped shear dampers had shown suitable
performance in experimental and numerical studies. Although they improve the dissipating …

Seismic Retrofitting of Existing Reinforced Concrete Buildings Using Aluminium Shear Links and Eccentric Steel Chevron Braces

A Elgammal, S El-Khoriby, A Seleemah - Arabian Journal for Science and …, 2024 - Springer
Many existing reinforced concrete buildings have been designed based on earlier codes of
practice that underestimated seismic forces, making them vulnerable to damage during …