Shear design of circular concrete sections using the Eurocode 2 truss model

J. J. Orr, Anthony P. Darby, T. J. Ibell, S. R. Denton, J. D. Shave

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The introduction of the Eurocodes for concrete design will alter the way that shear is approached for concrete structures. BS EN 1992-1-1 has adopted the variable angle truss model for shear, a more theoretically consistent approach than that used in BS 8110-1. The model is confidently applied to rectangular sections, but its applicability to irregular sections is less clear. In particular, the behaviour of circular concrete sections is not well defined. This paper is intended to satisfy a requirement for design guidance on this topic that has been recognised by key BSI Committees. Using both experimental and theoretical data, the Eurocode variable angle truss model for shear design is assessed and extended to circular columns.
Original languageEnglish
Pages (from-to)26-33
Number of pages8
JournalThe Structural Engineer
Issue number23-24
Publication statusPublished - 7 Dec 2010


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