What is meant by 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.

Does M25 concrete have specification?

Procedure for Concrete Mix Design of M25 Concrete of concrete comes out to be equal to 31.60 N/mm2. 0.43<0.50, hence O.K.

What is M25 used for?

M25 concrete grade nominal mix ratio Nominal mix of m25 concrete grade is that generally used for small-scale construction and small residential buildings where the consumption of concrete ( cement sand and aggregate) is not high.

How is M25 aggregate calculated?

AGGREGATE

1. Quantity of Aggregate in Cubic Meter. Cubic Meter = DRY Volume of Concrete x ( Ratio of Aggregate / Sum of Total Ratio) = 1.54 x (2/4)
2. Quantity of Aggregate in KG. KG = DRY Volume of Concrete x (Ratio of Aggregate / Sum of Total Ratio) x Density of Aggregate.
3. Quantity of Aggregate in Cubic Feet.

What is the grade mix of M25 concrete?

There is two types of concrete grade mix nominal mix and design mix, nominal mix is used for lower grade of concrete like M5, M 10, M15, M20 and M 25 grade concrete but higher grade concrete have M25, M30 and so more, M 25 grade concrete is prepared by both type of mix design, nominal mix and design mix.

When do you need to follow the concrete mix design steps?

When the aim is to build a concrete structure that is efficient and durable, this demands to follow the concrete mix design steps as per IS codes (IS- 10262:2009 and IS- 456:2000). If you are searching for detailed step by step procedure for concrete mix design of M25 grade using IS – 10262:2009 and IS – 456:2000….

How many bags of cement required for 1 cubic metre of concrete?

Ans. :- 11 bags of cement required for 1 cubic metre of M25 concrete. Ans. :- 11 bags (0.385 m³, 554 kgs) cement are required for 1 cubic metre of M25 concrete. Ans. :- 18 cft quantity of sand is required for 1 cubic metre of M25 concrete.

What is concrete grade mix?

Concrete is a composite mixture consisting of cement, sand ( fine aggregates) and coarse aggregate. design of the concrete grade mix is a procedure to find the correct quantities of cement sand and aggregate materials to achieve the desired compressive strength. Precise design of the concrete grade mix makes concrete construction more economical.