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Analysis of Mechanical Properties in Steel Frame with Ductile Connections

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Abstract

Steel frames with ductile connections have good seismic performance under strong earthquake, they are now popular for high seismic design. In order to simplify the process of numerical analysis of the steel frames with ductile connections, simplified connection models are introduced, two types of springs are placed in the simplified connection model, which can simulate deformation of the panel zone and members. 6-story-3-bay steel frames with ductile connections are simplified and carried out modal analysis, fundamental periods of the frames predicted by finite-element analysis for simplified steel frame models were compared to the results for actual frame models. 2-story steel frame with reduced beam section connections is simplified and carried out pseudo-static analysis, hysteretic curves and skeleton curves of the frame obtained by finite-element analysis for simplified steel frame model are compared to test results. The comparison show that the difference between them is small, it is reliable and effective to predict mechanical properties of the steel frame with ductile connection by finite-element analysis of simplified steel frame model.

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Acknowledgements

This reserch was sponsored by Qingdao Postdoctoral Science Foundation. This support is greatly acknowledged (Grant No. 2016129).

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Authors and Affiliations

  1. Cooperative Innovation Center of Engineering Construction and Safety in Shandong Blue Economic Zone, Qingdao University of Technology, NO. 11 Fushun Road, Qingdao, 266033, China

    Minglan Han

  2. School of Civil Engineering, Qingdao University of Technology, NO. 11 Fushun Road, Qingdao, 266033, China

    Shuai Wang & Yan Wang

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  1. Minglan Han
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  2. Shuai Wang
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  3. Yan Wang
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Correspondence to Minglan Han.

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Han, M., Wang, S. & Wang, Y. Analysis of Mechanical Properties in Steel Frame with Ductile Connections. Int J Steel Struct 18, 1464–1469 (2018). https://doi.org/10.1007/s13296-018-0172-1

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  • DOI: https://doi.org/10.1007/s13296-018-0172-1

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