In this article, we want to talk About Ribbed and waffle slabs . Join us .
These products provide a lighter and stiffer slab than an equivalent flat slab, reducing the extent of foundations. They provide a very good form of construction where slab vibration is an issue, such as laboratories and hospitals.
A waffle slab is flat on top, while joists create a grid like surface on the bottom. The grid is formed by the removal of molds after the concrete sets. This structure was designed to be more solid when used on longer spans and with heavier loads.
Ribbed slabs are made up of wide band beams running between columns with narrow ribs spanning the orthogonal direction. Normally the ribs and the beams are the same depth. A thin topping slab completes the system.
Waffle slabs tend to be deeper than the equivalent ribbed slab. Waffle slabs have a thin topping slab and narrow ribs spanning in both directions between column heads or band beams. The column heads or band beams are the same depth as the ribs.
Benefits
- Flexible
- Relatively light, therefore less foundation costs and longer spans are economic
- Speed of construction
- Fairly slim floor depths
- Robustness
- Excellent vibration control
- Thermal mass
- Good for services integration
- Durable finishes
- Fire resistance
