Wooden beams or trusses and joists, supporting light flooring, e.g. wooden planks.

Wooden beams with two perpendicular layers of wood-plank flooring, Italy (Maffei et al. 2006)

Wooden beams with two perpendicular layers of wood-plank flooring, Italy (Maffei et al., EERI, 2006)

Wooden floor structure overlaid by planks and bamboo strips, Nepal (WHE Report 74)

Wooden floor structure overlaid by planks and bamboo strips, Nepal (Y.K. Parajuli, J. Bothara, and B.K. Upadhyay, World Housing Encyclopedia Report 74)

FW1_Portugal_Brzev_1

Wooden joists supporting light flooring, Portugal (S. Brzev)