Structural · S-CRGK9

Pilaster Reinforcing and Vertical Control Joint Detail

Elements

Columns Beams Walls Retaining Walls Floors / Slabs Expansion / Control Joints Reinforcing

About this detail

Concrete pilaster reinforcing configurations in plan view appear alongside a vertical control joint section above the floor slab. The pilaster plans show continuous beam reinforcement passing through the pilasters with twelve number six vertical bars and number three ties at eight inches on center, aligned with the outside face of the grade beam. The control joint detail features a one-half-inch wide joint with chamfered corners on the inside face, cut horizontal bars with vertical bars provided on each side of the joint, and continuous top and bottom bars maintained through the joint depth. Joint depth is proportioned according to wall thickness, ranging from two inches for walls under eight inches up to a quarter of the wall thickness for walls over twelve inches. Notes dictate a maximum spacing of thirty feet on center for basement walls, placed generally at mid-bay and kept at least four feet away from upper-level beam bearing locations, while retaining walls require a maximum spacing of three times the wall height or twenty feet.

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