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Cement Mortar Calculation for Concrete Mix 1:2:4, Plaster (CM 1:4) & masonry (CM 1:6)

a) How to calculate quantity of cement mortar in Concrete ?

b) How to calculate quantity of cement mortar in plaster ?

C) How to calculate quantity of cement mortar in Masonry ?

 

a) For 1 Cubic Meter of concrete Mix - 1:2:4 (M-15)

Add Half (50%) for wet concrete:= 1.50 Cubic Meter

= 1.50/(1+2+4) = 0.214 Cubic Meter

For 1 Cubic Meter = 30 bags of cement required (1440/50) say 30 bags


Cement = 0.214 x 30 = 6.42 Bags

Sand = 0.214 x 2 = 0.428 Cubic Meter

Aggregate = 0.214 x 4 = 0.856 Cubic Meter

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b) Wall plaster:

Thickness: 12 mm Thick

Cement Mortar: 1:4
Quantity: 10 Meter Length x 10 Meter Height = 100 Square Meter

👇Calculation of cement & sand ratio👇

Volume = 100 x (12/1000) = 1.20 Cubic Meter

Add 30 to 35% as bulking of sand = 0.36 Cubic Meter

Add 20 as wastage of sand = 0.312 Cubic Meter

Total = 1.872 Cubic Meter

= (1.872/1+4) = 0.374 Cubic Meter

Cement = 0.374 x 30 = 10.77 Bags

Sand = 0.374 x 4 = 1.496 Cubic Meter

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c) 100 Cubic Meter of Block masonry in Cement Mortar is 1:6 mix and 8” thick:

Thickness: 200 mm Thick
Cement Mortar: 1:6
Quantity: 100 Cubic Meter

👇Calculation of cement & sand ratio👇

Volume = 100 x 0.2 (Thickness of wall) = 20 Cubic Meter

No. of blocks required = 20/(0.4 x 0.2 x 0.2) = 12502 Nos

Volume of mortar = 20 - [0.39 x 0.19 x 0.19 x 1250]

= 20 – 17.598

= 2.40 Cubic Meter


Note: 200 mm – 10 mm for mortar thickness = 190 mm

Blocks =17.598/(0.4 x 0.2 x 0.2) = 1100 Nos

Add 2% wastage = 22

Total = 1122 Nos


Increase by 25% (Twenty five Percentage) for dry mortar = 3 Cubic Meter

- 10 -

= 3/ (1+6)

= 0.429 Cubic Meter

Cement = 0.429 x 30 = 12.50 Bags

Sand = 0.429 x 6 = 2.57 Cubic Meter

Blocks =1122 Nos

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Cement Bags Calculation/ Cement Mortar/ Cement Bag Calculation

• Masonry wall 200 mm in cm 1:6 = 0.124 Bags/Square Meter

• Masonry wall 200 mm in cm 1:4 = 0.206 Bags/Square Meter

• Masonry wall 150 mm in cm 1:6 = 0.093 Bags/Square Meter

• Masonry wall 150 mm in cm 1:4 = 0.144 Bags/Square Meter

• Masonry wall 100 mm in cm 1:4 = 0.103 Bags/Square Meter

• Ceiling Plaster = 0.11 Bags/Square Meter

• Wall plaster = 0.09 Bags/Square Meter

• Rough Plaster = 0.09 Bags/Square Meter

• Duct Plaster = 0.09 Bags/Square Meter

• External Plaster = 0.175 Bags/Square Meter

• Stucco Plaster = 0.175 Bags/Square Meter

• 100 mm Plaster Band = 0.012 Bags/Running Meter

• Plain Cement Concrete (P.C.C) 1: 4: 8 = 3.4 Bags/Cubic Meter

• Plain Cement Concrete (P.C.C) 1:5:10 = 2.52 Bags/Cubic Meter

• Plain Cement Concrete (P.C.C) 1:3:6 = 4.2 Bags/Cubic Meter

• Plain Cement Concrete (P.C.C) 1:2:4 = 6.02 Bags/Cubic Meter

• 230 mm brick = 0.876 Bags/Cubic Meter

• 115 mm brick work = 0.218 Bags/Cubic Meter

• VDF 100 mm thick = 0.82 Bags/Square Meter

• Granolithic Flooring 40 mm = 0.35 Bags/Square Meter

• Granolithic Flooring 20 mm = 0.28 Bags/Square Meter

• Anti-skid Flooring = 0.28 Bags/Square Meter

• Ceramic Flooring = 0.28 Bags/Square Meter

• Vitrified Tile Flooring = 0.28 Bags/Square Meter

• Vitrified Tile Dado/Wall Tiles = 0.27 Bags/Square Meter

• Ceramic Dado/Wall Tiles = 0.27 Bags/Square Meter

• Marble Flooring = 0.3 Bags/Square Meter

• 100 mm height marble Skirting = 0.027 bags/Running Meter

• Marble Cladding = 0.27 Bags/Square Meter

• Terracotta Tile Flooring = 0.3 Bags/Square Meter

• Mangalore Tile = 0.3 Bags/Square Meter

• Door Frame Fixing =0.17 Bags/Square Meter

• Water Proofing for Sunken slab = 0.23 Bags/Square Meter

• Water Proofing for walls = 0.23 Bags/Square Meter

• Water Proofing for balcony/toilets = 0.65 Bags/Square Meter

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