Rcc Mixing Ratio For Roof

Elastic modulus and poisson s ratio.

Rcc mixing ratio for roof.

For a right roof slab concreting we have to prepare proper concrete mix. The minimum grade of concrete for plain cement concrete pcc is m15 the minimum grade of concrete for reinforced cement concrete rcc is m20 concrete grade and mix ratio table as per is 456 2000 the grades less than m20 should not be used in rcc works. It means 1 part of cement 1 5 part of fine aggregate coarse sand and 3 parts of coarse aggregate. Enough water should be collected in water tanks.

However you can get a rough estimate with a simple rcc roof slab steel calculation formula. This article provides a brief view of steel bars in cement concrete work. Where cement concrete 1 1 5 3 is used. Size of aggregates mm water for dry aggregates liter water for aggregates condition from dry to moist batch liter water for best consistency liter small precast work fence posts poles garden furniture and other work of very thin sections.

Structure carries in heavy loads. Rcc mixture has low elastic modulus because the heat of hydration generated is proportional to elastic modulus. Concrete mixer and vibrator is needed. This ratio of concrete also gives very high strength of cement concrete and is recommended for following works.

The main point to bear in mind is keep the ratio between fine aggregate and coarse aggregate should be 1 2. This roofing is very versatile and provides great protection. To find out the exact amount it will take to construct an rcc roof slab let s take an example. If the rcc roof slab size is 25x20 sq.

A solid roof on building is very important for everybody living in the house. And the concrete mix ratio is 1 2 4 then to find out the construction cost you will need to calculate. Like the normal concrete the ratio depends on aggregate type cement content age etc. Rcc mixture has low heat of hydration.

The strength of this mix ratio is good for most concrete slabs footings steps and foundation walls.