Investigation of the shear lag coefficient for welded tension members
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Shear lag is a non-uniform distribution of stress resulting when all cross sectional elements are not directly connected. This phenomenon renders the cross section only partially effective in resisting tensile loads. In this investigation, both experimental and analytical studies were conducted to ascertain the shear lag coefficients to be used in design of welded tension members by the AISC Specifications .
Four types of specimens (angles, plates, channels, and tees), were tested, each with three weld configurations (longitudinal welds only, transverse welds only, and a combination of both transverse and longitudinal welds). The specimens were statically loaded in tension to failure. Experimental shear lag coefficients are presented and compared to theoretical values.
- Masters Theses