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## Compressive Strength of Concrete -Cube Test [PDF], Procedure, Results

## Gopal Mishra

you can use cylinder or cube for testing. We generally use cubes in India, may be at your place, you use cylinders for testing. But in India, we define strength as strength of cube after 28 days of casting. So we prefer cubes.

## Core Sampling and Testing of Concrete and Factors Affecting Strength

## Gopal Mishra

BS 1881: Part 4: 1970 or ASTM C 42-77

## Compressive Strength of Concrete -Cube Test [PDF], Procedure, Results

## Gopal Mishra

cube size is 150x150x150, because it has been set as standard size, the value of compressive strength of which has been standardized at 28 days.We can also use 200mm cube, but you have to convert the compressive strength of 200mm cube to the equivalent of 150mm cube to know the actual strength of thRead more

## Compressive Strength of Concrete -Cube Test [PDF], Procedure, Results

## Gopal Mishra

when you test a number of standard cube and a number of standard cylinderical specimen of concrete, and draw the normal distribution curve and then calculate the characteristic strength from cube and from cylinder, you will find the following Fck(cube) = 1.25 Fck (cylinder) => Fck of cylinder = 0Read more

## Quantities of Materials Per Cubic Meter of Concrete and Mortar Mix Proportions

## Gopal Mishra

I know the thumb rule to calculate the cement content of concrete mix per cubic meter. i.e. for ratio of mix 1:x:y, divide 44 by (1+x+y) i.e. cement content required in bags = 44/(1+x+y) for 1:2:4 (M15), cement content = 44/(1+2+4) = 6.2 bags = 310kg of cement for 1:1.5:3 (M20) cement content = 44/(Read more

## Combined Footing Design with Example and Types of Combined Footing

## Gopal Mishra

go to the link at the bottom of the page, and from there, slideshow will open. You can Actions option on the left bottom of the slideshow, from there you can download it as pdf or ppt.

## Compressive Strength of Concrete -Cube Test [PDF], Procedure, Results

## Gopal Mishra

compressive strength is calculated by load divided by area perpendicular to that load.

## Compressive Strength of Concrete -Cube Test [PDF], Procedure, Results

## Gopal Mishra

15 cm is the standard mould size and based on that only we get the actual strength of concrete after testing. You can use 10 cm mould, but you should be able to convert the strength values corresponding to 15 cm mould (std mould).