Rcc Roof Slab Thickness

Such slabs left unconnected to walls caused many deaths in the 2005 quake from school roof collapses.

Rcc roof slab thickness.

The contractor s quotation for second floor roof rcc is rs. Use 10 12 mm for lantel area and 16 mm for invisible beams. However in general the thickness of rcc slab should be 4 5 thick. Ft for 4 thick 10 ft height.

Numecal for rcc roof slab steel calculation. Steel bar binding wire and water along with shuttering materials such as wooden planks and iron plates. Slab on ground 1 4 minimum thickness of diaphragms. Usually 6mm to 32mm diameter of steel bars check type of steel bars here are used depending on the slab thickness.

The centring contractor has made roofing by having flat surface from bottom of slab and sloping on top surface of slab for easy flow of rain water. Beside this the slab has following information for main bars length of on rod 7 meter diameter. If reinforced concrete were to be reused strong connections would have to be made between roof and walls. Let us take an example of a slab.

Ms steel for slab for main bar should be 10mm and for distribution 8mm or 10 mm. Q the length and breadth of slab is 10 meter and 7 meter respectively. To create rcc you will need cement coarse aggregate fine aggregate m s. The thickness has to be at least 4 5 5 0.

1 3 minimum thickness of slab on the ground ubc recommends minimum thickness of concrete floor slabs supported directly on the ground to be 89mm whereas bcgbc4010a apply structural principles to residential low rise constructions determined minimum thickness to be 100mm. For beam it should be 16mm and 12 mm as per span. Let the shorter span has provided the main rod and longer span has provided distribution rod.