Issue |
E3S Web Conf.
Volume 476, 2024
The 4th Aceh International Symposium on Civil Engineering (AISCE 2023)
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Article Number | 01003 | |
Number of page(s) | 10 | |
DOI | https://doi.org/10.1051/e3sconf/202447601003 | |
Published online | 17 January 2024 |
Structural Performance of Single and Double-Section CBF Braces with Different Lengths Under Cyclic Loading
1 Civil Engineering Department, Faculty of Engineering, University of Syiah Kuala, Jalan Tengku Syech Abdurrauf No. 7, Darussalam, Banda Aceh 23111
2 Architecture Department, Faculty of Engineering, University of Syiah Kuala Jalan Tengku Syech Abdurrauf No. 7, Darussalam, Banda Aceh 23111
* Corresponding author: arief_panjaitan@usk.ac.id
Concentrically Braced Frames (CBFs) are structural systems that are recommended to be constructed in earthquake-hazard areas. The brace is a CBF component that plays a role as an energy dissipator due to the seismic action. To result in a good performance, the brace is required to be strengthened. Adding a sectional area to the brace is one method for strengthening. Accordingly, the axial load is able to be distributed over a larger area, which may reduce the axial stress in the brace. So far, many kinds of research have been conducted to study brace behavior. However, the influence of adding a sectional area and increasing brace length to enhance brace performance has not yet been clarified. This paper experimentally investigated several braces under cyclic loading. Those braces were distinguished by their sectional area and length. The cyclic loading was managed by yield displacement control. The observation was mainly conducted on the performance parameter, which comprises strength, stiffness, and dissipation energy. The study discovered that enlarging the area section significantly increases the structural performance. Contrarily, the brace's performance tends to decrease when the brace is lengthened. Eventually, it can be recommended that enlarging the sectional area be taken as a solution to improve long-brace seismic performance in the CBFs system.
Key words: Concentrically Braced Frame / brace / seismic performance / dissipation energy / cyclic loading
© The Authors, published by EDP Sciences, 2024
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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