Structural · S-W8C6Q

Slab Control Joint

Materials

Reinforced Concrete Steel

Elements

Floors / Slabs Arches Expansion / Control Joints Anchors / Embeds Reinforcing

Connections

Welded Connection Rebar Splice / Development Expansion / Slip Connection

About this detail

Concrete slab joint configurations include slab control joints, construction joints, and expansion joints over subgrade support. The construction joint features number four dowels at three feet zero inches spaced at eighteen inches on center centered on the joint, with the slab thickened two inches minimum at the joint typical. A contractor option permits slab reinforcing to run through the joint twenty-four inches minimum in lieu of dowels. Saw cuts are detailed at one-eighth inch width with one-eighth inch semirigid sealant and three-eighth inch radius tooled edges. Expansion joints incorporate half-inch diameter by eighteen-inch smooth dowels at eighteen inches on center at entries and ADA paths, utilizing expansion joint material per specifications with a half-inch joint width filled with three-eighth inch sealant over five-eighth inch packing material.

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