Abstract
This paper develops a simple formula to calculate the strength capacity of an eccentrically loaded bolted connection. The formula is based solely on connection geometry, can include mixed connector sizes, and is shown to be suitable for skewed load cases. The formula includes computations for both high and low eccentricity connections including lap splices. The results compare favorably with experimental data and the ultimate strength method described in the American Institute of Steel Construction (AISC) manual. Because the formula is based only on connection geometry and connector sizes, strength properties can be determined for each connection. These strength properties, once calculated, allow for rapid determination of connection capacity for any eccentricity. One advantage is that connection capacity coefficients can be calculated without using the iterative approach of the ultimate strength method. Because mixed connector sizes and skewed loadings are considered, the formula provides a wider range of connection capacities than the eccentric loads on fastener groups tables in the AISC Manual of Steel Construction .
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