This image shows a beam.
Filler slab roof disadvantages.
If you ve opted to build your own house at some point you will likely have design your roof.
The construction work of upper floor can be readily taken up in case of flat roof whereas in case of pitched roof the entire roof has to be dismantled before the construction.
By reducing the quantity and weight of material the roof become less expensive yet retains the strength of the conventional.
Disadvantages of flat roofs.
Filler slab as projection creating an interesting articulation.
Pitched roof need much more area of roofing material than flat roof.
The mechanism the filler slab is a mechanism to replace the concrete in the tension zone.
Filler slab is based on the concrete portions and instead of placing filler material there and is one cost effective roofing system.
The filler material thus is not a structural part of the slab.
Rcc slab laying is one of major step in any type of construction so it is mandatory to know all the points related to laying rcc slab.
Due to the use of low cost less heavy filler material such as clay pots rejected cali cut tiles and broken pieces of cement blocks the filler slab consumes less concrete and steel as compared to conventional rcc slab.
At this point you will need to choose whether you would prefer a pitched roof a roof with at least two slopes that rise at an angle greater than 10 degrees each to make a peak or a flat roof a roof with an angle of less than 10 degrees.
Where the area above the neutral axis is the compression zone and the area below the neutral axis is tensile zone.
Here is a detailed article with all the information regarding procedure of rcc slab roof laying.