Mechanisms of block shear failure of bolted connections



Publication Details

Teh, L. H. & Clements, D. (2012). Mechanisms of block shear failure of bolted connections. 21st International Specialty Conference on Cold-Formed Steel Structures - Recent Research and Developments in Cold-Formed Steel Design and Construction (pp. 583-597).


This paper examines the mechanisms for block shear failure postulated in the design provisions specified in the North American Specification for the Design of Cold-formed Steel Structural Members 2007 and AS/NZS 4600:2005 Cold-formed Steel Structures. It explains that there is only one feasible mechanism for the limit state of conventional block shear failure, that which involves shear yielding and tensile rupture. It proposes an equation that provides more accurate results compared to the code equations in predicting the block shear capacities of bolted connections in steels having minimal strain hardening. A resistance factor of 0.8 for the proposed equation is computed with respect to the LRFD approach given in the North American cold-formed steel specification.

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