

steel, concrete, timber) are used together in the main structuralĮlements. ForĮxample, a Steel Over Concrete indicates an all-steel structural system located on top of anĪll-concrete structural system, with the opposite true of Concrete Over Steel.Ī combination of materials (e.g. all-steel, all-concrete, all-timber), one on top of the other. Or concrete slab on top of timber beams is still considered an “all-timber” structure as theĬoncrete elements are not acting as the primary structure. Note that a building of timber construction with a floor system of concrete planks An all-timber structure may include the use of localized non-timber connections between Reinforced concrete which has been precast as individual components and assembled togetherįrom timber. Note that a building of steel construction with a floor system of concrete planks orĬoncrete slab on top of steel beams is still considered an “all-steel” structure as the concreteĮlements are not acting as the primary structure.įrom concrete which has been cast in place and utilizes steel reinforcement bars and/or steel Both the main vertical/lateral structural elements and the floor spanning systems are constructedįrom steel.
