Structural · S-728PG

Vertical Control Joint in Basement and Retaining Wall

Elements

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

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Vertical control joints in basement and retaining walls along with concrete pilaster reinforcing configurations. The wall control joint features a one-half inch joint with chamfered corners located above the floor slab only on the inside face, while horizontal bars are cut and vertical bars are provided on each side with continuous top and bottom bars left intact. Joint depths are scaled based on wall thickness T, ranging from two inches for walls under eight inches up to a depth of T multiplied by 0.25 for walls over twelve inches. Spacing notes specify a maximum of thirty feet on center for basement walls generally at mid-bay and away from beam bearing locations, while retaining walls require a maximum spacing of three times the wall height or twenty feet. The pilaster details show column centerlines, continuous beam reinforcement through the pilaster, and twelve number six vertical bars with number three ties at eight inches spacing.

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