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.
Concrete mix ratio for roof slab in india.
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.
The cost of concrete is analysed by type of mix you have to use.
Of 50 kg bag of cement 0 42 m 3 of sand and 0 83 m 3 of stone aggregate.
The strength of this mix ratio is good for most concrete slabs footings steps and foundation walls.
Example calculation estimate the quantity of cement sand and stone aggregate required for 1 cubic meter of 1 2 4 concrete mix.
What is m20 mix grade of concrete.
Restricted water quantity is also difficult.
Update your information about concrete roof tiles and shingles choose weather and fire resistant roofing material for your roof.
In case of single or two story house the ration of concrete mix will be 1 2 4.
This ratio of concrete also gives very high strength of cement concrete and is recommended for following works.
An ideal water cement ratio for houses and other normal work with m20 concrete should never exceed 0 50 i e.
Generally for slab we use m20 grade of concrete.
Minimize the effects of earth quake.
Their is lots of mix mix refer to the ratio of cement sand and aggregate.
For a right roof slab concreting we have to prepare proper concrete mix.
Structure carries in heavy loads important rcc structure such as columns beams slabs cantilever chhajja porch and balcony etc.
The main point to bear in mind is keep the ratio between fine aggregate and coarse aggregate should be 1 2.
As per indian standard code their are lots of predefined mix like m20 m25 etc.
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.
Materials required are 7 nos.
Concrete is an all time material for roofing.