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Investigation on the inelastic behavior of full-scale heavy clip-angle connections

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Abstract

This paper describes the investigation on the inelastic behavior of steel heavy clip-angle connections subjected to static loading. The work depends on the results of a large experimental investigation into the cyclic behavior of full-scale connections involving thick clip-angle components. The results of these experimental tests are described first, and then a methodology to simulate the response of clip-angle connections numerically using nonlinear finite element (FE) models is mainly treated in this study. Extensive studies utilizing numerous 3D models are discussed, including the introduction of the pretension force into the bolts and the effects of small changes in geometry on the deformation capacity of the angles. Generally, FE test results show a good agreement with experimental test results. These outcomes indicate that it is possible to model such connections successfully if care is exercised in the modeling phase. Moreover, these FE models provide useful instrumentation which is difficult to obtain during an experiment. They have widely been used to understand the parametric effect of connection components and establish a comprehensive study of their inelastic behavior including slip deformation and prying action.

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Correspondence to Eunsoo Choi.

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Note.-Discussion open until August 1, 2011. This manuscript for this paper was submitted for review and possible publication on May 25, 2010; approved on August 27, 2010.

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Hu, JW., Leon, R.T. & Choi, E. Investigation on the inelastic behavior of full-scale heavy clip-angle connections. Int J Steel Struct 11, 1–11 (2011). https://doi.org/10.1007/S13296-011-1001-y

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