oq-gem

Glossary for gem taxonomy

This Glossary is aligned with the GEM Building Taxonomy v2, support for v4 is coming soon.


Precast concrete units without reinforced concrete topping. Precast units include hollow-core slabs, solid slabs, or a system of precast concrete joists with timber or hollow concrete infill.

Precast concrete hollow core slabs (tropicalconcrete.com)

Precast concrete hollow core slabs (tropicalconcrete.com)

FC4_China_Dai_1

Concrete floors consisting of hollow core slabs with inadequate connections collapsed in the 2008 Wenchuan, China earthquake (J. Dai)

FC4_Canada_AdamsJ_1

Precast concrete hollow floor slab supported by concrete block masonry walls, Canada (J. Adams)