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Seismic Damage Assessment and Shaking-Table Test Validation of Midrise Cold-Formed Steel Composite Shear Wall Buildings
| 题名： | Seismic Damage Assessment and Shaking-Table Test Validation of Midrise Cold-Formed Steel Composite Shear Wall Buildings |
| 正文语种： | eng |
| 作者： | Liqiang Jiang;Kai Yu;Jihong Ye;Yi Hu;Lizhong Jiang |
| 作者单位： | Central South Univ.;Central South Univ.;China Univ. of Mining and Technology;Central South Univ.;Central South Univ. |
| 关键词： | Cold-formed steel (CFS);Midrise building;Seismic damage index;Degradation parameter;Shaking-table test |
| 摘要： | Abstract This paper proposes damage index–based limit-state criteria for seismic design of midrise cold-formed steel (CFS) buildings instead of the drift-based ones, and the Park-Ang damage model was used to calculate the damage indexes. Two 5-story CFS buildings with different wall configurations were tested, and a test-validated numerical model was developed. An incremental dynamic analysis was conducted on a typical midrise CFS building to obtain the degradation parameter β of different CFS walls. The damage indexes computed from numerical analyses were compared with the damage indexes estimated from test observations and the proposed damage index–based limit-state criteria. The results showed that the calculated degradation parameter as well as the proposed damage index–based limit-state criteria are effective for seismic damage assessment and damage level classification of midrise CFS buildings according to the validations by shaking-table tests on two CFS buildings. The Park-Ang damage index used in this paper and the proposed limit-state criteria could be used for performance-based seismic design of midrise CFS buildings. |
| 出版年： | 2022 |
| 期刊名称： | Journal of structural engineering |
| 卷： | 148 |
| 期： | 8 |
| 页码： | 04022093.1-04022093.18 |
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