How many bags of pre mix concrete are in a bag?

Premix Concrete Bag Calculator 10 circular holes with diameter 300 mm, filled to a depth of 600 mm, have a total volume of 0.424 m³ = approx 45.8 x 20 kg bags 46 Bags

What kind of cement to use in concrete mix?

Make sure that the water is kept together with the mix and is not allowed to drain/run away as this could result in a weaker mix. These proportions are based on the assumption that a CEM type cement of strength class 32,5 will be used. Cement of strength class 42,5 or higher will give a stronger concrete but may be less economical.

Which is the best concrete mix calculator app?

Download: Use this concrete calculator offline with our all-in-one calculator app for Android and iOS. Our mix-on-site concrete calculation is based on batching by volume (Large construction sites employ batching by weight which is more exact).

What kind of mix ratio do you need for concrete?

What is Concrete? Concrete is a mixture of cement, sand (fine aggregate), small stone or gravel (coarse aggregate) and water. It has many applications, from fence posts to motorway bases and, because of this, there are many different concrete mix ratios that the constituents can be mixed to with each resulting in a different strength of concrete.

What kind of cement do you use to mix concrete?

The most common of all cement types used in concrete is Portland cement. Mixing your own concrete may take a few adjustments. Once you mix together these four ingredients, use the back of the shovel to smooth the surface of the mixture. Make a groove in that smooth part with the shovel.

How much does it cost to install a concrete pad?

For a basic project in zip code 47474 with 120 square feet, the cost to Install a Concrete Pad starts at $8.04 – $9.89 per square foot*. Actual costs will depend on job size, conditions, size options.