For 0 10 reinforcing the slab joint spacing should be the same as for an un reinforced slab.
Typical ground floor slab detail.
As the name suggests a slab is a single layer of concrete several inches thick.
The slab is poured thicker at the edges to form an integral footing.
Under slab vapor retarders or waterproofing membrane.
Riw td 153 typical detail at top of internal retaining wall with suspended floor pdf riw td 154 top of internal concrete retaining wall with ground bearing slab.
A typical components of ground bearing floor slab.
Subgrade the soil against which the ground bearing slab construction is placed but not cast.
Figures 4 12 through 4 14 show variations where the slab is the primary location for insulation.
The height of the finished floor level was typically a minimum 150 mm above the level of permanent paving and 225 mm above the level of unprotected ground.
Typical opening details in slab near beams.
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Ground floor beam details a str 17 december 2017 str 31 december 2017 str 32 december 2017 str 33 december 2017 third floor beam layout plan str 34 december 2017.
4 2 slab on grade construction details.
The slab normally rests on a bed of crushed gravel to improve drainage.
Reinforcing rods strengthen the thickened edge.
Guidance for joint spacing to minimize out of joint cracking for such slabs is given in aci 360 and typically should be in the 10 to 15 foot range noted earlier.
Slip membrane provides a plane against which the concrete slab can flex independently of the subbase.
Str 11 str 15 str 16 str 18 december 2017 december 2017 december 2017 december 2017 december 2017 december 2017.
In typical office environments the concrete floor slab itself is comprised of 4 to 6 thick concrete reinforced with one layer of welded wire fabric at mid depth unless below the water table when hydrostatic heads may exert upward pressure requiring stronger construction.
Subbase a graded material usually made from broken masonry and or rocks.
Drawing shows typical slab structure detail through plan sections and required legend guidelines.
Foundation footings had the same requirements for size depth and reinforcement as the foundation footings for suspended timber floors.
Typical slab reinforcement detail with the detail of distribution bar spacing between bars etc.