Green Roof Concrete Slab Thickness

With that in mind i ve seen slabs as thick as 16 18 due to column spacing.

Green roof concrete slab thickness.

Commercial is typically steel w a composite deck so you ll have a 5 6 slab sitting on top of steel beams. You could also do a low mid rise with joists sheathing and a concrete topper 2 or gypcrete 3 4 or so. A solid slab of concrete capping the top of your house. A green roof protects the waterproofing membrane from damaging uv rays freeze thaw cycling and repeated foot traffic extending its lifespan.

Roof slab forms the top cover for main vessel which is filled with concrete for the purpose of nuclear radiation shielding. It is recommended that minimum 90 mil 2 3 mm thick reinforced butyl rubber membranes be used for green roof assemblies. Green roofs filter air by absorbing and converting carbon dioxide to oxygen. For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers.

For roof gardens an extra load of 400 750 kg m2on the structure of the building must be accounted for compared to the 60 250 kg m2 of the extensive green roof. Determine minimum allowable slab thickness based on l 28. Intensive green roofs have a higher weight and require a minimum soil thickness of at least 30 cm compared to the 5 12 cm of the latter. Advances of computational fluid dynamics in nuclear reactor design and safety assessment 2019.

Flat roofing solutions bauder flat roofs. Leed and green globes. Use tables in chapter 7 of the crsi design handbook. A concrete roof is exactly what it sounds like.

Exact specifications vary but most concrete roofs are several inches thick. Sheets normally are 60 mils 90 mils or 120 mils 1 5 mm 2 3 mm or 3 0 mm thick. A one way concrete slab system with beams and girders. Green roof design background goals.