Reinforced concrete slabs are supported by beams. This includes cast-in-place slabs with beams on all sides, waffle slabs with beams, slab band system (common in Canada), one-way joist system (common in North America), and clay tile coffered reinforced concrete slabs.

FC2 Canada Brzev 1

Reinforced concrete slab supported by beams, parking garage, Canada (S. Brzev)

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Slab band floor system consisting of columns supported by wide beams and slabs is common in Western Canada (S. Brzev and J. Pao, Reinforced Concrete Design: A Practical Approach, Pearson Learning Solutions, 2013)

FC2 Canada Brzev 2

Reinforced concrete slab band floor system in a parking garage, Canada (S. Brzev)

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Reinforced concrete slab on beams in a parking garage, Canada (S. Brzev)

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Reinforced concrete waffle slab with beams, USA (S. Brzev)