Structural · C-9DAKR

BRB Casing Blockout and Clearances in Concrete Slab

Materials

Concrete

Elements

Floors / Slabs Millwork / Casework Connections / Plates

Connections

Gusset Plate

About this detail

Plan views of a buckling-restrained brace casing embedded in a concrete slab specify blockout conditions and clearances. Low-density expanded polystyrene, or bead board, is required at one inch thick on the sides and a minimum of three inches or stroke dimension 'c' thick at the end where buried in concrete. The indicated clearances represent the blockout conditions required for the final installed state of the buckling-restrained brace, though larger blockout sizes may be necessary for installation. The expanded polystyrene material is provided by others.

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