The mix ratio 1:4 for mortar means one part of cement to four parts of sand by volume. To calculate the quantity needed, you’ll have to specify the total volume of the mixture you want. For example, if you want 1 cubic meter of mortar, it would be 0.2 cubic meters of cement (1/5) and 0.8 cubic meters of sand (4/5).
How much cement and sand required for mortar 1:4? in this topic we will learn about how to calculate cement sand quantity in 1:4 mortar. We know that cement mortar is mixture of cement and sand.
Ratio of mix is 1: 4 in which one part is cement and 4 part is sand. We know that cement mortar is used for many civil work like brick masonry, plastering work of internal and external sometime it is also used for dpc work.
How much cement and sand required for mortar 1:4?
Meaning of mix 1:4 mortar – in this mix ratio of cement and sand in which one part is cement and 4 part is sand and by adding water. Water is added in mix mortar in about 20% of its dry volume.
Steps for how to calculate cement and sand quantity for mortar 1:4
1) assume volume of mortar is 1m3
2) first calculate wet volume of mortar
3) calculate dry volume of mortar
4) calculation of cement quantity
5) calculation of sand quantity
How to calculate dry volume of mortar 1:4
Assume volume of mortar = 1m3
Density of cement = 1440 kg/m3
Cement in 1 bag = 50 kg
1m3 = 35.3147 cubic feet
Mix ratio is = 1:4 ( one part is cement and 4 part is sand)
Total proportion = 1+4= 5
Part of cement = 1/5
Part of sand = 4/5
Calculation :- we know that while we calculate dry volume of cement mortar cofactor 1.33 is multiply in wet volume of mortar considering wastage of mortar and volume increase
Wet volume of mortar = 1m3
Dry volume of mortar = wet volume × 1.33 = 1m3× 1.33 = 1.33 m3
Dry volume of mortar = 1.33 m3
How much cement is required for mortar 1:4
Weight of cement = part of cement × volume × density of cement
Weight = (1/5) × 1.33 m3×1440 kg/m3
Weight of cement = 383.04 kg
No of bags cement = 383.04/50 = 7.66 = 8 bags.
That’s 8 bags of 50 kg each (approx. 383 kg) of cement are required for 1 cubic meter (1m3) of mortar in a mix ratio of 1:4.
How much sand is required for mortar 1:4
Volume of sand in m3 = (4/5)× 1.33 m3 = 1.064 m3
1m3 = 35.3147 CFT
Volume of sand in cubic foot = 1.064 × 35.3147 = 37.57 CFT
That’s 37.57 CFT (approx. 1.064m3, or 1,690 kg, or 1.69 MT) of sand are required for 1 cubic meter (1m3) of mortar in a mix ratio of 1:4.
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That’s 8 bags of 50 kg each (approx. 383 kg) of cement and 37.57 CFT (approx. 1.064m3, or 1,690 kg, or 1.69 MT) of sand are required for 1 cubic meter (1m3) of mortar in a mix ratio of 1:4.