Apr 15 2022The proportion of cement sand and aggregate in M20 nominal mix concrete = 1 1 5 3 Total volume of concrete mixture will be = 1 1 5 3 = 5 5 Since the concrete hardens after some time we need to arrive at the wet volumes of the components For this a factor of safety ranging from 1 54 to 1 57 is considered to counter the volume shrinkage
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Get PriceApr 24 2022Typically used as the compound for joining masonry stone or ceramic units together mortar is made by combining cement lime and sand Mortar typically has a higher water to cement ratio when compared with concrete which allows greater workability and is required to form mortars bonding properties Typical mortar types are discussed below and
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Get PriceIn addition we offer white Portland and fire resistant cement so whatever your cement needs you needn t look any further 18 Items Found Show View Breedon General Purpose Cement 25Kg 43 £5 99 Inc VAT K Rend K Post Rapid Set Post Mix 20Kg 8 £5 87 Inc VAT £0 29 Per KG Breedon C40 High Strength Concrete 20Kg 1 £9 54 Inc VAT
Get PriceCement = 1440 kg/cum ; Fine Aggregate = 1600 kg/cum ; Coarse Aggregate = 1450 kg/cum ; Water = 1000 kg/cum The dry loose density varies for Considering a concrete mix proportion by volume of 1 2 4 i e Cement Fine aggregate Sand Coarse Aggregate is in the ratio of 1 2 4 by volume Cement required = 01 bag = 50 kg 36 liters or 0 036 cum
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Get PriceVolume of aggregate=4 1 52/ 1 2 4 = 868 m3 For determining the weight in kg multiply by bulk densities to obtain weight Mass of cement = 217 1470 =320 kg Mass of Sand = 434 1350 =586 kg Mass of Aggregate = 868 1300 =1130 kg This weight will make 1 m3 concrete Multiply it with amount of concrete to obtain the total weight
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Get PriceThe proportion of fine aggregate sand to be taken in the mix design is given in Table 3 However the lowest practical sand content should be established by actual trial mixes and performance runs In practice it is difficult to get fine and coarse aggregates of a particular grading In the absence of fine aggregate of required grading they
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Get PriceAdd the two bags of 2 5mm aggregate Add the C52 sand slowly and steadily to ensure an even consistency Stage 1 Ensure the aggregates are mixed consistently for all mixes Mixing dry stone can grind the stone and introduce dust or grind contaminants of the drum walls Stages 2 4 must be mixed for the same amount of time on every mix
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Get PriceIn terms of the ratio for concrete it depends on what strength you are trying to achieve but as a general guide a standard concrete mix would be 1 part cement to 2 parts sand to 4 parts aggregates For foundations a mix of 1 part cement to 3 parts sand to 6 parts aggregates can be used Measure around half of the cement sand and aggregates
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