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Steel and Composite Structures Volume 15, Number 1, July 2013 , pages 081-101 DOI: https://doi.org/10.12989/scs.2013.15.1.081 |
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Analysis of end-plate connections at elevated temperatures |
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Shuyuan Lin, Zhaohui Huang and Mizi Fan
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| Abstract | ||
| In this paper a robust 2-noded connection element has been developed for modelling the bolted end-plate connection between steel beam and column at elevated temperatures. The numerical procedure described is based on the model proposed by Huang (2011), incorporating additional developments to more precisely determinate the tension, compression and bending moment capacities of end-plate connection in fire. The proper failure criteria are proposed to calculate the tension capacity for each individual bolt row. In this new model the connection failure due to bending, axial tension, compression and shear are considered. The influence of the axial force of the connected beam on the connection is also taken into account. This new model has the advantages of both the simple and component-based models. In order to validate the model a total of 22 tests are used. It is evident that this new connection model has ability to accurately predict the behaviour of the end-plate connection at elevated temperatures, and can be used to represent the end-plate connections in supporting performance-based fire resistance design of steel-framed composite buildings. | ||
| Key Words | ||
| end-plate connection; component-based model; fire resistance; steel structures; T-stub | ||
| Address | ||
| Shuyuan Lin, Zhaohui Huang and Mizi Fan: School of Engineering and Design, Brunel University, Uxbridge, Middlesex, UB8 3PH, UK. | ||