Structural · S-P73XV

Structural Steel Beam Web Access Hole Geometry

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Required geometric layout and minimum dimensions for weld access holes in structural steel beam webs. Dimensions are specified in relation to flange thickness, including a three-flange-thickness dimension and a half-inch minimum distance. A three-quarter-inch diameter drilled hole is located at the internal corner of the cutout with a twenty-five-degree maximum angle transition. Reference AWS D1.8 for additional geometric information.

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