Structural · S-R47SN

Weld Access Hole Detail

Materials

Steel

Elements

Beams

Connections

Welded Connection

About this detail

This structural steel detail defines the geometry, dimensions, and fabrication tolerances for weld access holes in moment frame connections. The cut requires a minimum radius of three-eighths of an inch with zero negative tolerance, and a depth into the web equal to three times the flange thickness plus or minus half an inch. Flange bevels must comply with American Welding Society D1.1 specifications for the selected groove weld procedure. Fabrication methods, smoothness requirements, and cutting angles must conform to AISC 341-10 and 358-10 standards for seismic applications.

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