Recommended mixes for different concrete construction type of work concrete mix ratio max.
Concrete mix ratio for roof slab.
Of 50 kg bag of cement 0 42 m 3 of sand and 0 83 m 3 of stone aggregate.
Concrete mix ratio for beams.
1 1 5 3 m20 is concrete mix ratio used for roof slab.
This ratio of concrete also gives very high strength of cement concrete and is recommended for following works.
1217 pounds of sand.
2 26 parts stone 1 73 parts sand.
702 5 pounds of cement.
Concrete mix ratio for roof slab.
Size of aggregates.
1587 pounds of stone.
The 1 2 3 ratio s make up is described right in its name.
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.
This gives you a basic 4500 psi concrete mix ratio of.
As we know that roof slab is rcc structure so we can use minimum grade of m20 grade and concrete mix ratio 1 1 5 3 for roof slab maximum grade of concrete m25 m30 and much higher are used as per design for roof slab.
That is because it is among the most versatile mix ratios regardless of what scale it is being used at.
If i break the weights down per cubic yard of concrete it comes to.
As such it can productively be used in a wide variety of weight bearing projects.
2 concrete mix ratio.
Structure carries in heavy loads.
The 1 2 3 concrete mix ratio is considered the classic mix ratio by many professional builders.
Rounded off it s basically a 1.
Example calculation estimate the quantity of cement sand and stone aggregate required for 1 cubic meter of 1 2 4 concrete mix.
The strength of this mix ratio is good for most concrete slabs footings steps and foundation walls.
Materials required are 7 nos.
Concrete mix ratio compressive strength is the most important property of hardened concrete.
Where cement concrete 1 1 5 3 is used.