Seismic retrofit of soft-first-story structures using rotational friction dampers

MM Javidan, J Kim - Journal of Structural Engineering, 2019 - ascelibrary.org
In this research a seismic retrofit system consisting of a pin-jointed steel frame and rotational
friction dampers is developed for the seismic retrofit of reinforced concrete soft-first-story …

Experimental investigation of a low‐prestressed self‐centering energy dissipative brace

Y **ao, MO Eberhard, Y Zhou… - … & Structural Dynamics, 2022 - Wiley Online Library
Self‐centering energy dissipative (SCED) braces have the potential to contribute greatly to
building resiliency, because the braces can limit both maximum and residual story drifts …

Seismic retrofit of low-rise structures using rotational viscoelastic dampers

MM Javidan, JD Assefa, J Kim - Structures, 2023 - Elsevier
In this research, the efficiency of a rotational viscoelastic seismic energy dissipation device
is evaluated in a theoretical framework. Unlike conventional dampers which block the bays …

[PDF][PDF] Steel hysteretic column dampers for seismic retrofit of soft-first-story structures

MM Javidan, J Kim - Steel Compos. Struct, 2020 - researchgate.net
In this study a new hysteretic damper for seismic retrofit of soft-first story structures is
proposed and its seismic retrofit effect is evaluated. The damper consists of one steel …

[PDF][PDF] An experimental study on a steel multi-slit damper for seismic retrofit of soft-first story structures

MM Javidan, J Kim - Steel and Composite Structures, 2024 - swb.skku.edu
In this research, the efficiency of a metallic energy dissipation device for seismic retrofit of an
existing structure is evaluated by cyclic loading test. The proposed device, which is called …

[PDF][PDF] Seismic retrofit of structures using added steel column friction dampers

MM Javidan1a, A Naeem, J Kim - Steel Compos Struct, 2023 - swb.skku.edu
In this study, the feasibility and applicability of a friction damper with a vertical installation
scheme are investigated. This device is composed of a steel section and two friction hinges …

Assessment of Soft-First-Floor Structures Reinforced by Rocking Frame Based on Seismic Resilience

S Jiang, Q Chen, C Li, H Song, E Lin, C Fu - Buildings, 2024 - mdpi.com
As a no-disturbance integrated-retrofitting technique, an external rocking frame was widely
used on reinforced concrete (RC) structures. Yet, with the increasing demand for seismic …

Seismic performance evaluation of different strategies for retrofitting RC frame buildings

J Zhao, H Qiu, J Sun, H Jiang - Structures, 2021 - Elsevier
Defect RC frames are vulnerable to seismic excitation, which need to be retrofitted to
enhance performance during seismic event. An applicable procedure is required to reveal …

Seismic response of a case study soft story frame retrofitted using a GIB system

H Agha Beigi, C Christopoulos… - … & Structural Dynamics, 2015 - Wiley Online Library
This paper presents results from a numerical investigation into the seismic retrofit of a soft
story frame using a novel gapped‐inclined brace (GIB) system. The GIB system consists of a …

BRB retrofit of mid-rise soft-first-story RC moment-frame buildings with masonry infill in upper stories

SE Ruiz, MA Santos-Santiago, E Bojórquez… - Journal of Building …, 2021 - Elsevier
A high percentage of mid-rise soft-first-story (SFS) reinforced concrete (RC) buildings with
masonry infill in upper stories collapsed in Mexico City during the SEPT/19/2017 …