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