Cast-in-place concrete joists with hollow clay tiles and cast-in-place reinforced concrete topping, sometimes overlaid with flooring. These floors may or may not have reinforced concrete ring beams at the perimeter.

Hollow clay tiles with cast-in-place concrete joists and topping, Slovenia (WHE Report 73)

Hollow clay tiles with cast-in-place concrete joists and topping, Slovenia (M. Lutman and M. Tomazevic, World Housing Encyclopedia Report 73)

Prefabricated reinforced hollow clay tile beams, with reinforced concrete ring beams, Italy (Maffei et al., 2006)

Prefabricated reinforced hollow clay tile beams, with reinforced concrete ring beams, Italy (Maffei et al., EERI, 2006)