Structural · S-H3QX4

Gravity Column Splice

Materials

Steel

Elements

Columns

Connections

Welded Connection Bolted Connection Rebar Splice / Development

About this detail

This structural detail shows a gravity column splice connecting upper and lower steel wide-flange columns with channel sections on each side. Thirteen-sixteenth-inch diameter holes are provided in the column and fifteen-sixteenth-inch diameter holes are drilled in the channel, utilizing C6x10.5 channels for W8 columns, C7x12.3 for W10 columns, C9x15 for W12 columns and over, and C15x33.9 for W33 and W36 columns with shims as required. Three-quarter-inch diameter A325 bolts are installed with two washers each. Complete joint penetration welds are specified at the column flanges, with weld access holes detailed per typical standards. An optional lifting hole is located four feet above the top of steel or at the contractor's option with approval by the engineer, and filler plates are included as required at the contractor's option in lieu of bolts with five-sixteenth-inch welds on three sides.

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