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Novel Energy Dissipation Bracing Designed for Corrugated Sheet-Sheathed Cold-Formed Steel Shear Wall
| 题名： | Novel Energy Dissipation Bracing Designed for Corrugated Sheet-Sheathed Cold-Formed Steel Shear Wall |
| 正文语种： | eng |
| 作者： | Yu, Cheng;Tian, Yu;Yan, Weiming;Zhang, Wenying |
| 作者单位： | Univ North Texas Dept Mech Engn Denton TX 76207 USA;Beijing Univ Technol Key Lab Earthquake Engn Struct Retrofit Beijing Beijing 100024 Peoples R China;Beijing Univ Technol Key Lab Earthquake Engn Struct Retrofit Beijing Beijing 100024 Peoples R China;Beijing Univ Technol Key Lab Urban Secur & Disaster Engn Minist Educ Key Lab Earthquake Engn & Struct Retrofit Beijing Beijing 100024 Peoples R China |
| 关键词： | Cold-formed steel (CFS);Shear walls;Energy dissipation bracing (EDB);Experimental investigation;Mechanical Model;Metal and composite structures |
| 摘要： | This study developed a special energy dissipation X-bracing for cold-formed steel (CFS) shear walls to improve the ductility of the corrugated steel sheathing. In previous research, CFS shear walls with corrugated sheathing demonstrated poor ductility under cyclic loading. The paper presents a potential solution by adding a special energy dissipation bracing (EDB) to improve the ductility of the corrugated sheet-sheathed shear walls. The EDB can be tuned according to the CFS shear wall base performance to achieve the highest postpeak deflection capacity, thereby significantly improving the seismic ductility. To prove the concept and analyze the feasibility of the new EDB, a test program of nine full-scale shear walls was conducted. The experimental results showed that with the tuned EDB, the corrugated steel sheet-sheathed shear walls had improved ductility with no considerable reduction in the initial stiffness and shear strength. Installing the proposed EDB can be an efficient approach to enhance the seismic performance of CFS-framed shear walls. Details of the test program and discussion are presented. |
| 出版年： | 2021 |
| 期刊名称： | Journal of structural engineering |
| 卷： | 147 |
| 期： | 11 |
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