Reinforced concrete cast onto steel decking, supported by beams or load bearing walls. They are sometimes overlaid with light-weight roofing. This system is similar to the floor system called Composite Steel Floor Deck and Concrete Slab.

RME3_Canada_Brzev_2

Composite steel deck and concrete slab supported by steel trusses, Canada (S. Brzev)

RME3_Canada_Brzev_1

Steel trusses (Open Web Steel Joists) supported by precast concrete tilt-up walls, Canada (S. Brzev)

Concrete is a composite material consisting of Portland cement, coarse aggregate (crushed stone), fine aggregate (sand), and water. It is usually grey in colour. The following types of concrete are included in the GEM Building Taxonomy:

Concrete blocks with two or more cells (cavities) comprising more than 30% of the volume, which may be grouted and reinforced.

Concrete blocks hollow 1.JPG

Hollow concrete blocks, Peru (S. Brzev)

Hollow Concrete Blocks 1.JPG

 

 

 

 

 

 

 

 

Hollow concrete blocks with three cells, Haïti (front) and with two cells, Canada (rear), (S. Brzev)

Concrete blocks are hollow or solid masonry units consisting of Portland cement and suitable aggregates combined with water. These blocks are usually laid in mortar. The following types of concrete blocks are included in the Taxonomy:

Concrete blocks with less than 30% holes (cavities).

CBS_Peru_Charleson_1

Concrete blocks, solid, Peru (A. Charleson)

  1. Concrete blocks, unknown type [CB99]
  2. Concrete exterior walls [EWC]
  3. Concrete floor [FC]
  4. Concrete floor, unknown [FC99]