RESEARCH ARTICLE


Push-Pull Interface Connections in Steel Frames with Precast Concrete Infill Panels



Johan C.D. Hoenderkamp*, Johan C.D. Hoenderkamp, Hubertus H. Snijder, Herm Hofmeyer
Department of the Built Environment, Eindhoven University of Technology, P.O. Box 513, VRT 9.18, 5600 MB Eindhoven, The Netherlands.


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Creative Commons License
© C.D. Hoenderkamp et al.; Licensee Bentham Open

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Department of the Built Environment, Eindhoven University of Technology, P.O. Box 513, VRT 9.18, 5600 MB Eindhoven, The Netherlands. Tel: +31 40 247 3301; Fax: + 31 40 245 0328; E-mail: j.c.d.hoenderkamp@tue.nl


Abstract

This paper presents experimental and finite element results of investigations into the stiffness and strength of three discrete interface connections between simple steel frames and precast concrete infill panels serving as lateral bracing. The ability of the connections to resist compression and tension allows them to introduce substantial lateral stiffness and strength into so called semi-integral infilled frames.

The discrete connection between a steel frame and a concrete panel consists of two parts: a steel anchor plate welded to multiple anchor bars which are cast in the concrete panel and a gusset plate welded to the frame. For a complete framepanel connection the anchor plate is bolted to the gusset plate thereby allowing composite action of the steel-concrete structure. The bolts in the connection are loaded in shear only.

The connections were employed in full-scale experiments on one-storey, one-bay, hybrid infilled frame structures. Finite element analyses were performed for comparison showing that simulation of the behaviour of the hybrid lateral load resisting structure is possible. The validated finite element models can be used for parametric studies with the goal of developing analytical models as a basis for design rules.

Keywords: Infilled frame, interface connection, steel frame, precast concrete panel, experiments, FEM.