原文传递
Steel–Timber Composite Beam-to-Column Connections with Shear Tab
| 题名： | Steel–Timber Composite Beam-to-Column Connections with Shear Tab |
| 正文语种： | 英文 |
| 作者： | Farshid Nouri1; Mark Bradford, Dist.M.ASCE2; Hamid Valipour3 |
| 作者单位： | 1Ph.D. Candidate, Centre for Infrastructure Engineering and Safety, School of Civil and Environmental Engineering, Univ. of New South Wales, Sydney, NSW 2052, Australia. 2Scientia Professor, Centre for Infrastructure Engineering and Safety, School of Civil and Environmental Engineering, Univ. of New South Wales, Sydney, NSW 2052, Australia. 3Associate Professor, Centre for Infrastructure Engineering and Safety, School of Civil and Environmental Engineering, Univ. of New South Wales, Sydney, NSW 2052, Australia (corresponding author). |
| 关键词： | Composite floors; Cross-laminated timber (CLT); Shear tab; Steel–timber composite |
| 摘要： | This paper focuses on the structural behavior and negative bending moment capacity of steel–timber composite (STC) beam-tocolumn connections with shear tabs. It is hypothesized that timber slabs with relatively high tensile strength acting compositely with steel beams can allow for large negative bending moment resistance despite their being a simple (or pin) connection between the steel beam and column. Four full-scale STC beam-to-column cruciform subassemblies with shear tab connections were fabricated and tested under a monotonically increasing load that produced negative bending moments at the beam-to-column connections. In addition, a steel–concrete composite (SCC) beam-to-column connection with identical geometry to that of the STC joints was fabricated and tested to evaluate the structural performance (stiffness, strength, and ductility) of the STC compared with SCC connections. The main variables in the experimental program were the type of connection (i.e., continuous, spline, and bolted steel plate) between the cross-laminated timber slabs across the column and the depth of the shear tab. Lastly, a simple method inspired by the component-based approach is proposed for estimating the peak load carrying capacity of the STC beam-to-column connections with a shear tab. |
| 出版年： | 2019 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | 145 |
| 期： | 3 |
| 页码： | 1-14 |
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