Reinforcing steel overlapping splice requirements in boundary elements, columns, beams, walls, and slabs feature a lap length specified as development length Ld, with a minimum lap requirement of twelve times the bar diameter or twelve inches, whichever is greater. A clear cover distance of one and one-half inches minimum is maintained for the reinforcing bars.
BOUNDARY, COLUMN AND BEAM REINFORCING SPLICE DETAIL SPLICE DETAIL WALL OR SLAB REINFORCING B A 12" MIN 12d OR d 1 1/2" MIN "Ld"
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