Version 1
: Received: 28 August 2024 / Approved: 28 August 2024 / Online: 29 August 2024 (02:52:28 CEST)
How to cite:
Makarios, T.; Bakalis, A.; Efthymiou, E. Seismic Damage Assessment of Existing Planar Steel X or V-Braced Frames Using the Hybrid "M and P" Technique. Preprints2024, 2024082046. https://doi.org/10.20944/preprints202408.2046.v1
Makarios, T.; Bakalis, A.; Efthymiou, E. Seismic Damage Assessment of Existing Planar Steel X or V-Braced Frames Using the Hybrid "M and P" Technique. Preprints 2024, 2024082046. https://doi.org/10.20944/preprints202408.2046.v1
Makarios, T.; Bakalis, A.; Efthymiou, E. Seismic Damage Assessment of Existing Planar Steel X or V-Braced Frames Using the Hybrid "M and P" Technique. Preprints2024, 2024082046. https://doi.org/10.20944/preprints202408.2046.v1
APA Style
Makarios, T., Bakalis, A., & Efthymiou, E. (2024). Seismic Damage Assessment of Existing Planar Steel X or V-Braced Frames Using the Hybrid "<em>M</em> and <em>P</em>" Technique. Preprints. https://doi.org/10.20944/preprints202408.2046.v1
Chicago/Turabian Style
Makarios, T., Athanasios Bakalis and Evangelos Efthymiou. 2024 "Seismic Damage Assessment of Existing Planar Steel X or V-Braced Frames Using the Hybrid "<em>M</em> and <em>P</em>" Technique" Preprints. https://doi.org/10.20944/preprints202408.2046.v1
Abstract
The effectiveness of a hybrid technique for identifying seismic damage in planar, multistory, steel X or V-braced frames is demonstrated here through an example of a six-story frame. This proposed technique, referred to as “M and P”, combines the instrumental Monitoring (M) with Pushover analysis (P). According to the methodology, the diagram of stepping eigenfrequencies of the frame in the inelastic region is initially plotted against seismic roof displacement. The fundamental natural frequency detected via the monitoring process is then utilized in this key diagram to reveal the inelastic roof displacement that corresponds to the damage state of the steel braced frame. This displacement is subsequently used as the target in the pushover analysis, facilitating the identification of seismic damage in the existing steel braced frame. Finally, the damage image is correlated with the damage stiffness matrix of the frame at the same inelastic roof displacement. The investigation results indicate that combining instrumental monitoring with pushover analysis enables accurate identification of seismic damage potential in existing steel braced frames.
Keywords
Damage identification; Steel Braced Frames; Concentric X or V-bracing; Stepping Eigenfrequencies; Capacity Curve; Target Displacement
Subject
Engineering, Civil Engineering
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
