concrete mix ratio for foundations

3 Ways to Reinforce Concrete - wikiHow

Dec 08, 2019 · The strength of concrete is essentially dependent on the ratio of the cement to water used in the concrete mix. The aggregates you use requires sufficient water to get a workable mix. The better the grading of the aggregates, the less wate

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How to mix concrete for deck footings & piers

Concrete is a mix of Portland cement, sand, gravel, and water. Fortunately, you can buy pre- mixed bags of the dry ingredients and add your own water. One 80-pound bag should yield about 0.6 cubic feet of mixed concrete.

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Concrete Mix | The Different Grades Of Concrete Available

This is a basic foundation mix used in footings with a minimum cement content of 175kg/pm3. Gen 3 Mix: This is also used for foundations and floors, shed bases or paths with a minimum cement content of 220kg/pm3.

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Actual Concrete Mix Ratios For 3000, 3500, 4000, and 4500 psi

The concrete ticket below shows a 3500 psi concrete mix for 10.5 yards of concrete. The ticket breaks down the weights of the amount of cement, stone, and sand used to make the 3500 psi concrete. The actual weights used to make this 10.5 yard load were: 1

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The best mix design for precast concrete countertops

Whether you use a bagged mix specifically designed for concrete countertops, or mix your own, mix design is critical for concrete countertops. Unlike sidewalks or foundations which are slabs on grade, concrete countertops are generally long, slender, thin

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How much balast and cement for footings? - MyBuilder

Jul 09, 2014 · To calculate the amount of material required for foundation concrete mix you first need to calculate the cubic meters of concrete you need using a simple volume calculation, Length x width x depth. It is best to use numbers in meters so fo

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How much Ballast do I need to mix concrete? – Aggregates4Less

Great for concrete being used to lay paths, floors, general landscaping and driveways. Foundations and large Volume Concrete. 1 part cement : 8 parts Ballast. This mix ratio mainly used when a large amount of concrete is being used to fill strip footing t

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Good mix for footings? | Screwfix Community Forum

Apr 22, 2004 · Your spot on gadgetman if it were a concrete mix. 4:2:1 is 4 parts 20mm stone with 2 parts sharp sand and 1 part cement but as you may well know ballast has 20mm and 10mm stone as well as sharp sand in it with often a random quantity of ea

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CONCRETE MIXING RATIOS - WHAT IS THE BASIC MIXING RATIO FOR

By measuring the mixing ratios you will have a consistent concrete mix throughout your entire project. Mixing ratio to make 1 yard of concrete. To produce a 3000 psi cubic yard of concrete (27 cubic feet) the concrete mixture ratio is: 1. 517 pounds of ce

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What is a good concrete mix ratio?

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