The weld access hole geometry is detailed for structural steel connections with specified height H, width W, and radius R dimensions relative to the web thickness tw. The top flange contour permits a tight fit of backing bars, and the edge is beveled as required by AWS D1.8 for the selected groove weld procedure. A smooth slope forms a transition between the web and the flange.
BEVEL AS REQUIRED BY AWS D1.8 FOR SELECTED GROOVE WELD PROCEDURE SLOPE TO FORM A TRANSITION BETWEEN WEB AND FLANGE CONTOUR BOTTOM OF TOP FLANGE TO PERMIT TIGHT FIT OF BACKING BARS tw = WEB THICKNESS W H R R
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