Structural · S-9EV4K

Wood Joist Anchorage to Existing Unreinforced Masonry Wall

Materials

Timber / Wood

Elements

Columns Beams Walls Floors / Slabs

Connections

Bolted Connection Timber / Mass-Timber Connection

About this detail

An existing unreinforced masonry wall receives a 3/4-inch diameter pre-bent anchor rod secured with HY-270 epoxy. A rod transition coupler connects the 3/4-inch rod to a 5/8-inch rod, tightened with a 3/4-inch nut and BPS washer. Simpson HDU2 hold-down connectors at 16 inches on center attach to 2x6 scabs fastened with eight 10d nails to the existing joists. Additional blocking and CMST straps tie the wood framing to the masonry wall per plan, with specific washer requirements for edge distances less than 5 1/4 inches.

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