Rcc Mixing Ratio For Roof

A solid roof on building is very important for everybody living in the house.

Rcc mixing ratio for roof.

And the concrete mix ratio is 1 2 4 then to find out the construction cost you will need to calculate. The main point to bear in mind is keep the ratio between fine aggregate and coarse aggregate should be 1 2. 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. This ratio of concrete also gives very high strength of cement concrete and is recommended for following works.

The strength of this mix ratio is good for most concrete slabs footings steps and foundation walls. Structure carries in heavy loads. For a right roof slab concreting we have to prepare proper concrete mix. However you can get a rough estimate with a simple rcc roof slab steel calculation formula.

Concrete mixer and vibrator is needed. Elastic modulus and poisson s ratio. Poisson s ratio ranges from 0 15 to 0 20. Reinforced concrete requires very strong steel bars.

Enough water should be collected in water tanks. One of the best concrete mix ratios is 1 part cement 3 parts sand and 3 parts aggregate this will produce approximately a 3000 psi 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. Where cement concrete 1 1 5 3 is used.

Rcc mixture has low elastic modulus because the heat of hydration generated is proportional to elastic modulus. This article provides a brief view of steel bars in cement concrete work. If the rcc roof slab size is 25x20 sq. To find out the exact amount it will take to construct an rcc roof slab let s take an example.

It means 1 part of cement 1 5 part of fine aggregate coarse sand and 3 parts of coarse aggregate.