Typically, a mix is about 10 to 15 % cement, 60 to 75 % aggregate and 15 to 20 % water. This concrete mix ratio of aggregate to sand to cement is an important factor in determining the compressive strength of the concrete mixture.

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concrete mix ratio for foundations. Discussion in 'Builders' Talk' started by Paco de Lucia, Sep 22, 2016. Paco de Lucia Member. Hi Please could someone tell me what is the correct all-in-one ballast / cement ratio for concrete foundations. Its for a 6m long trench, 300mm wide and 800 deep for a two story extension.

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The strength of concrete is measured in psi or pounds per square inch. Typically a footing should be at least 3500 psi. To make the mix, add 1 part Portland cement, 2 parts sand and 4 parts stone aggregate by volume. Add in 3 quarts water per 80 pounds of dry concrete. Aggregate should be between 1/2 - 1 inch in size.

C40 mix ratio (must use 42.5 grade cement or above): cement: sand; stone: water = 1: 1.08: 2.41: 0.40 (weight ratio) material dosage (kg/m3): cement: 488kg; sand: 528kg; stone: 1176kg water: 195kg. Tubu Machinery specialises in the the concrete screeds that can be used in various concrete projects. If you would like to know more please see our

Concrete can be purchased in multiple forms, including in 60 or 80-pound bags, or delivered in large amounts by specialized concrete mixer trucks. Proper mixing is essential for the production of strong, uniform concrete. It involves mixing water, aggregate, cement, and any desired additives.

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27:- A contractor purchased a concrete mixing plant for an amount of 100 million dinars, so if the useful life of the plant is 8 million cubic meters, and the book value in the fourth year is 50 million dirers calculated by the fixed ratio method the contractor wanted to submit a bid to supply concrete for one of the construction sites.

Concrete mix design belongs to the method of determining the ratios of concrete mix in terms of proportions of cement, sand and coarse aggregates. As for instance a concrete mix of proportions 1:2:4 signifies that cement, fine and coarse aggregate are in the ratio 1:2:4 or the mix comprises of one part of cement, two

Best concrete mix ratio for roof slab. Best concrete mix ratio for roof slab:- roof slab is horizontal RCC structure used to cover top of house, made of concrete provided with steel reinforcement. Generally, concrete mix ratio 1: 2: 4, 1: 1.5: 3 or 1: 1: 2 (Cement, Sand and aggregate) used for roof slab construction, but safest best concrete

Ready mix plant for sale is used to produce a large quantity of ready-mixed for a project near the concrete production site. Actually, it is to feed and transport the raw materials, such as cement, water, sand, stone, and additives according to the preset mix ratio, through storing, batching, weighing, stirring, and discharging to produce finished concrete.