Cast in place beam supported reinforced concrete roof [RC2] - jcgomezz/Building_taxonomy GitHub Wiki

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. They are sometimes overlaid with light-weight roofing.

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

Reinforced concrete slab band system, Canada (S. Brzev)

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

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