Concrete Technology

Concrete Design Mix for Varies Grade of Concrete

Concrete Design Mix for Varies Grade of Concreteย Concrete mix design is the process of finding right proportions of cement, sand and aggregates for concrete to achieve target strength in structures. So, concrete mix design can be stated as Concrete Mix design of M20, M25, M30 and higher grade of concrete can be calculated from example below. rete Mix = Cement:Sand:Aggregates.

Concrete Mix design of M20, M25, M30,M35,M40,M45,M50 grade of concrete can right proportions of cement, sand and aggregates for concrete to achieve target strength in structures below.

M10 ( 1 : 3.92 : 5.62)

Cementย ย ย ย  :ย  210 Kg/ m3

20 mm Jellyย ย ย  :ย  708 Kg/ m3

12.5 mm Jellyย ย  :ย  472 Kg/ m3

River sandย ย ย  :ย  823 Kg/ m3

Total waterย ย ย  :ย  185 Kg/ m3

Fresh concrete density:ย  2398 Kg/ m3

M20 ( 1 : 2.48 : 3.55)

Cementย ย ย ย  :ย  320 Kg/ m3

20 mm Jellyย ย ย  :ย  683 Kg/ m3

12.5 mm Jellyย ย  :ย  455 Kg/ m3

River sandย ย ย  :ย  794 Kg/ m3

Total waterย ย ย  :ย  176 Kg/ m3

Admixtureย ย ย  :ย  0.7%

Fresh concrete density:ย  2430 Kg/ m3

M25 ( 1 : 2.28 : 3.27)

Cementย ย ย ย  :ย  340 Kg/ m3

20 mm Jellyย ย ย  :ย  667 Kg/ m3

12.5 mm Jellyย ย  :ย  445 Kg/ m3

River sandย ย ย  :ย  775 Kg/ m3

Total waterย ย ย  :ย  185 Kg/ m3

Admixtureย ย ย  :ย  0.6%

Fresh concrete density:ย  2414 Kg/ m3

Note: sand 775 + 2% moisture, Water 185 -20.5 = 164 Liters,

Admixture = 0.5% is 100ml

M30 ( 1 : 2 : 2.87)

Cementย ย ย ย  :ย  380 Kg/ m3

20 mm Jellyย ย ย  :ย  654 Kg/ m3

12.5 mm Jellyย ย  :ย  436 Kg/ m3

River sandย ย ย  :ย  760 Kg/ m3

Total waterย ย ย  :ย  187 Kg/ m3

Admixtureย ย ย  :ย  0.7%

Fresh concrete density:ย  2420 Kg/ m3

Note: Sand = 760 Kg with 2% moisture (170.80+15.20)

M35 ( 1 : 1.79 : 2.57)

Cementย ย ย ย  :ย  410 Kg/ m3

20 mm Jellyย ย ย  :ย  632 Kg/ m3

12.5 mm Jellyย ย  :ย  421 Kg/ m3

River sandย ย ย  :ย  735 Kg/ m3

Total waterย ย ย  :ย  200 Kg/ m3

Admixtureย ย ย  :ย  0.7%

Fresh concrete density:ย  2400 Kg/ m3

Note: sand = 735 + 2%, Water = 200- 14.7 = 185.30,

Admixture = 0.7%

Concrete Mix Design for M40 Grade

M40 ( 1 : 1.67 : 2.39) Cementย ย ย ย  :ย  430 Kg/ m3

20 mm Jellyย ย ย  :ย  618 Kg/ m3

12.5 mm Jellyย ย  :ย  412 Kg/ m3

River sandย ย ย  :ย  718 Kg/ m3

Water Cement ratioย  :ย  0.43

Admixtureย ย ย  :ย  0.7%

Note: Sand = 718 + Bulkage 1%

M45 ( 1 : 1.58 : 2.26)

Cementย ย ย ย  :ย  450 Kg/ m3

20 mm Jellyย ย ย  :ย  626 Kg/ m3

12.5 mm Jellyย ย  :ย  417 Kg/ m3

River sandย ย ย  :ย  727 Kg/ M3 + Bulkage 1%

Water Cement ratioย  :ย  0.43

Admixtureย ย ย  :ย  0.7%

See More Civil Engineering Ebooks

Concrete Mix Design M50

M50 ( 1 : 1.44 : 2.23)

Cementย ย ย ย  :ย  450 Kg/ m3

20 mm Jellyย ย ย  :ย  590 Kg/ m3

12.5 mm Jellyย ย  :ย  483 Kg/ m3

River sandย ย ย  :ย  689 Kg/ m3 + Bulkage 12%

Water Cement ratioย  :ย  0.36 (188 Kg)

Admixtureย ย ย  :ย  1.20%3

Micro silicaย ย ย  :ย  30 Kg

Super flowย  6.7% of cement

Read More Concrete Mix Design Grade M60

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