Structural · S-6BM87

Slab on Grade Joint and Edge Details

Materials

Elements

Columns Walls Floors / Slabs Arches Expansion / Control Joints

About this detail

Concrete slab-on-grade details include slab joints, column isolation joints, and CMU wall intersections. The adjacent-to-wall detail includes a typical waterstop, three-quarter-inch straight reinforcing bars for the slab on both sides, and three-quarter-inch by three-and-a-half-inch by six-inch plates at eighteen inches on center. The control joint includes a sawed joint in the slab on grade cut to one-quarter slab depth. The construction joint includes a lap splice and a one-eighth-inch radius on exposed edges. The isolation joint at the column surrounds a concrete column or steel column with concrete encasement, utilizing form isolation joints, a number four edge bar, and an infill placed after forms are removed. The supporting CMU detail includes a formed recess with two number five bottom continuous bars, two number five top continuous bars, and number three dowels at eighteen inches on center tying into the masonry wall above. Additional details include minor steps and steps on grade with number four reinforcing bars at eighteen inches.

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