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Seismic Performance of Timber–Steel Hybrid Structures. I: Subassembly Testing and Numerical Modeling
| 题名： | Seismic Performance of Timber–Steel Hybrid Structures. I: Subassembly Testing and Numerical Modeling |
| 正文语种： | 英文 |
| 作者： | Zheng Li, M.ASCE1; Xijun Wang2; Minjuan He, M.ASCE3; Wenchen Dong4; Hanlin Dong5 |
| 作者单位： | 1Associate Professor, Dept. of Structural Engineering, Tongji Univ., 1239 Siping Rd., Shanghai 200092, China. 2Ph.D. Candidate, Dept. of Structural Engineering, Tongji Univ., 1239 Siping Rd., Shanghai 200092, China. 3Professor, Dept. of Structural Engineering, Tongji Univ., 1239 Siping Rd., Shanghai 200092, China (corresponding author). 4Master Student, Dept. of Structural Engineering, Tongji Univ., 1239 Siping Rd., Shanghai 200092, China. 5Ph.D. Candidate, Dept. of Structural Engineering, Tongji Univ., 1239 Siping Rd., Shanghai 200092, China. |
| 关键词： | Wood shear wall; Steel moment-resisting frame; Cyclic loading test; Numerical modeling; Wood-to-steel connection. |
| 摘要： | With urban expansion, timber structures are no longer confined to low-rise buildings. The hybridization of timber with other construction materials is an effective way to obtain desirable structural performance while maintaining the many advantages of timber buildings. This paper is devoted to the development of a hybrid structural system which consists of a steel moment-resisting frame and prefabricated infill light frame wood shear walls. Quasi-static cyclic loading tests were conducted on timber–steel hybrid lateral load resisting subassemblies, and monotonic loading tests were conducted on two types of novel wood-to-steel connections that enable fast installation of the infill wood shear wall. The test result of the hybrid structural system is reported with the emphasis on the wood-to-steel connection behavior. The share of resisted lateral force between the infill wood shear wall and the steel frame was evaluated. A nonlinear finite-element model was developed for the hybrid structural system and was validated by test results. The reported work can provide novel wood-to-steel connection solutions that allow high-efficiency on-site fabrication, and the verified numerical model can serve as a useful tool to assess the seismic performance of the timber–steel hybrid structures under more-complex loading scenarios. |
| 出版年： | 2019 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | 145 |
| 期： | 10 |
| 页码： | 1-11 |
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