Table of Contents
What is M20 concrete?
M20 concrete mix ratio:- M20 concrete mix ratio is 1:1.5:3, made of mixture of cement, sand and aggregate in which one part is cement, 1.5 part is sand and 3 part is aggregate or stone. It means 1 bag of cement mixed with 1.5 bag of sand and three bag of aggregate to make concrete mix of M20 grade of concrete.
What is m25 grade concrete?
It is a grade of concrete that would achieve a compressive strength of 25 N / mm2 after 28 days of curing. It is made by mixing cement, fine aggregates and coarse aggregates in a 1: 1: 2 ratio, keeping the water-cement ratio between 0.4 and 0.6.
What does M stand for in M25?
mix ratio 1:1.5:2 M25- M stands for Design Mix And 25 stands compressive strength of concrete after 28 days curing Mix Rate 1:1:2.
What is M15 and M20 grade concrete?
Regular grades of concrete are M15, M20, M25, etc. For plain cement concrete works, generally, M15 is used. For reinforced concrete construction minimum M20 grade of concrete is used. DIFFERENT GRADES OF CONCRETE. Mix Ratio.
How do you calculate M15 concrete?
M15 ratio is 1:2:4 in which one part is cement, 2 part is sand and 4 part is aggregate mix with water.
What is OPC and PPC in cement?
Portland Pozzolana Cement is a variation of Ordinary Portland Cement. Pozzolana materials namely fly ash, volcanic ash, are added to the OPC so that it becomes PPC. Pozzolana materials are added to the cement in the ratio of 15\% to 35\% by weight. OPC is the most commonly used cement in construction.
What is M15 ratio?
M15 concrete mix has a mix proportion of 1:2:4 of cement, fine aggregate, and coarse aggregate respectively. M15 – M represents Mix and 15 N/mm2 is the characteristic compressive strength of concrete cube at 28 days.
Where is M15 concrete used?
Commercial structures. This heavy concrete mix is usually used for creating external walls and slabs, and structural piling. Commercial construction sites, creating foundations and beams for structural support and roads.
What is M15 concrete strength?
Different types of concrete grades and their uses
| Concrete Grade | Mix Ratio (cement : sand : aggregates) | Compressive Strength |
|---|---|---|
| M7.5 | 1 : 4 : 8 | 1087 psi |
| M10 | 1 : 3 : 6 | 1450 psi |
| M15 | 1 : 2 : 4 | 2175 psi |
| M20 | 1 : 1.5 : 3 | 2900 psi |