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Cyclic Test and Seismic Equivalency Evaluation of High-Capacity Light Wood-Frame Shear Walls for Midrise Buildings
| 题名： | Cyclic Test and Seismic Equivalency Evaluation of High-Capacity Light Wood-Frame Shear Walls for Midrise Buildings |
| 正文语种： | eng |
| 作者： | Shervin Shameli Derakhshan;Chun Ni;Lina Zhou;Ruite Qiang;Dongsheng Huang |
| 作者单位： | Univ. of Victoria;FPInnovations;Univ. of Victoria;Univ. of Victoria;National Engineering Research Center of Biomaterials |
| 关键词： | High-capacity shear walls;Two rows of nails;Cyclic load;Light wood-frame construction |
| 摘要： | Abstract Recent editions of Canadian national building codes increased the height limit for wood-frame construction from four to six stories. In addition, the seismic loads have also been increased. These increases in building height and seismic loads have raised the demand for a stronger shear wall system for construction of midrise wood-frame buildings, especially for those located in high seismic zones. In collaboration with FPInnovations, a new high-capacity shear wall system with multiple rows of fasteners along sheathing edges was developed. This paper presents the test results of shear walls with two rows of nails. A total of 10 specimens were tested under cyclic loading. Test results show that shear walls with two rows of nails have 1.8–2.0 times the lateral load resistance of a standard shear wall with the same sheathing thickness, nail diameter, and nail spacing. The initial stiffness and ultimate displacement of the high-capacity shear wall are also greater than that of the comparable standard shear wall. Based on seismic equivalency criteria, shear walls with two rows of nails can be assigned a design value of the comparable standard shear wall multiplied by a factor of 1.7. |
| 出版年： | 2022 |
| 期刊名称： | Journal of structural engineering |
| 卷： | 148 |
| 期： | 10 |
| 页码： | 04022168.1-04022168.8 |
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