This structural detail shows a typical slab construction joint with a formed keyway. All slab reinforcing steel extends continuously through the joint. The depth of the key is equal to half the slab thickness. Alternatively, the entire surface can be intentionally roughened at the contractor's option.
6" 3 0" M AX 6" 6" MIN EDGE OF SLAB ALL SLAB REINF SHALL EXTEND THRU JT DEPTH OF KEY SHALL BE 1/2 SLAB THICKNESS, TYP. OR, INTENTIONALLY ROUGHEN ENTIRE SURFACE AT CONTR OPT NOTES: PLAN 1 1/2" 30" MAX
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