The drawing shows construction details for concrete slab-on-grade assemblies, specifically detailing joint types to control cracking and movement. It highlights an expansion joint with a fibrous expansion material fill, a control joint with a keyed cold joint and optional lap splices, and a slab pour method layout showing vapor barriers and subgrade preparation.
Text on the drawing
WRAP BARS W/ PLASTIC SHEATHING AS AN OPTION BARS MAY BE CONTINUOUS FILL GAP W/ FIBROUS EXPANSION MATERIAL PER ARCH AND SPECIFICATION GALVANIZED TYPE "KEYED COLD JOINT" CUT EVERY ALTERNATE REINFORCING AT SAW CUT VAPOR BARRIER AND SUBGRADE PER GEOTECHNICAL REPORT 1 1 B CONTROL JOINT F SLAB POUR METHOD LAYOUT LAP SPLICE 2'-0" 12" 12" 12" MIN 1'-6" 1'-6" t (1 1/4" MAX) LAP SPLICE t t/2 GAP 0'-0 1/4" LAP SPLICE EQ EQ VAPOR BARRIER AND SUBGRADE PER GEOTECH
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