Concrete Mix Ratio For Roof Slab In India

For a right roof slab concreting we have to prepare proper concrete mix.

Concrete mix ratio for roof slab in india.

Restricted water quantity is also difficult. Their is lots of mix mix refer to the ratio of cement sand and aggregate. Simple flat roofs to sloped roofs concrete roof tiles offered various styles and colors to meet the architectural needs. Of 50 kg bag of cement 0 42 m 3 of sand and 0 83 m 3 of stone aggregate.

As per indian standard code their are lots of predefined mix like m20 m25 etc. Materials required are 7 nos. Structure carries in heavy loads important rcc structure such as columns beams slabs cantilever chhajja porch and balcony etc. The strength of this mix ratio is good for most concrete slabs footings steps and foundation walls.

Concrete is an all time material for roofing. Example calculation estimate the quantity of cement sand and stone aggregate required for 1 cubic meter of 1 2 4 concrete mix. Update your information about concrete roof tiles and shingles choose weather and fire resistant roofing material for your roof. Generally for slab we use m20 grade of concrete.

An ideal water cement ratio for houses and other normal work with m20 concrete should never exceed 0 50 i e. 25 litres of water for one bag of cement. This ratio of concrete also gives very high strength of cement concrete and is recommended for following works. These concrete mix ratios for 3000 3500 4000 and 4500 psi concrete come from the ready mix concrete company i use to pour concrete floors slabs patios pool decks and stamped concrete.

The main point to bear in mind is keep the ratio between fine aggregate and coarse aggregate should be 1 2. In m20 mix concrete m is stand for mix and numerical figure 20 is stand for characteristic of compressive strength 20n mm2 after mixing and casting of roof slab quantity of material in slab formation it calculated by m20 mix in which ratio of sand cement and aggregate is 1. 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. What is m20 mix grade of concrete.

I m going to show you the actual batch plant ticket they give me when the concrete trucks show up on the job and we pour the concrete.