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How to Concrete mix ratio procedure And Mix design of concrete.

How to Concrete mix ratio procedure And Mix design of concrete.

As we all know, concrete is a mixture of basic materials like cement, sand, aggregates, and water. Besides these materials, chemical admixtures are also added when there is a requirement for special properties in concrete. Additional admixtures are always optional, but they do play an important role in enhancing the properties of concrete as per the.

requirements. All of the above mention ingredients are mixed in a definite proportion to form the final product that is the fresh concrete. Basically, these proportions are selected in such a way that each set of proportions of materials in concrete determines a specific grade of concrete.Concrete mix ratio,concrete mix ratio table.

Concrete mixing ratios are made in such a way that the concrete depends on what it will be used for. Design load calculation is determined by C.C, Road R.C.C casting,column casting, beam casting, share wall, slab casting etc.  However, to test each missing ratio, the cylinder is kept alive for 28 days after gaining full strength. Sent for lab tests. Biport is considered good for casting.concrete mix ratio calculator,25 mpa concrete mix ratio.


Concrete Design Mix details.

 Mix Design  M25 

       1.M25 (1:2.28:3.27)

  • Cement: 340 Kg/M 3  
  • 20 mm Jelly : 667 Kg/M 3 
  • 12.5 mm Jelly : 445 Kg/M 3 
  • Sand : 775 Kg/M 3 
  • Total Water : 185 Kg/M 3 
  • Addmixture : 0.6% 
  • Fresh Concrete Density: 2414 Kg/M 3 
Note: Sand 775+2% Moisture,Water 185-20.5=164Liter,Addmixture=0.5% 
Is 100ml. grade of concrete used for columns.    

 

Normal Grade Of  Concrete


 M5            1:5:10         5Mpa             725Ps

 M7.5          1:4:8       7.5Mpa            1087Psi

 M10           1:3:6         10Mpa             725Psi

 M15            1:2:4         15Mpa            1450Psi

 M20           1:1.5:3       20Mpa             2900Psi

grade of concrete ratio,concrete mix ratio 1:2:4,1:3:6 concrete mix calculator.

1/ It is usually used as 25Mpa casting with a ratio
of 1: 2.28: 3.27 which is suitable for it.

2/ 30Mpa is generally suitable for slab use. The ratio is 1: 2: 2.87.

3/ 35 Mpa is usually suitable for column, share wall, mat Foundation use.  Its ratio is 1: 1.79:2.57

Standard Grade Of  Concrete


     M25       1:1:2       25Mpa       3625Psi

     M30          Design Mix            30Mpa                                         4350Psi

     M35          Design Mix             35Mpa                                         5075Psi

     M40          Design Mix             40Mpa         .                               5800Psi

     M45          Design Mix             45Mpa                                        6525Psi

m30 grade concrete ratio,how to calculate cement, sand and aggregate quantity in m20 concrete.


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1/ āĻāϟāĻŋ āϏāĻžāϧāĻžāϰāĻŖāϤ āĻāĻ•āϟāĻŋ āĻ…āύ⧁āĻĒāĻžāϤ āϏāĻš 25Mpa āĻĸāĻžāϞāĻžāχ āĻšāĻŋāϏāĻžāĻŦ⧇ āĻŦā§āϝāĻŦāĻšā§ƒāϤ āĻšāϝāĻŧ
āĻāϰ 1: 2.28: 3.27 āϝāĻž āĻāϟāĻŋāϰ āϜāĻ¨ā§āϝ āωāĻĒāϝ⧁āĻ•ā§āϤāĨ¤

2/ 30Mpa āϏāĻžāϧāĻžāϰāĻŖāϤ āĻ¸ā§āĻ˛ā§āϝāĻžāĻŦ āĻŦā§āϝāĻŦāĻšāĻžāϰ⧇āϰ āϜāĻ¨ā§āϝ āωāĻĒāϝ⧁āĻ•ā§āϤāĨ¤ āĻ…āύ⧁āĻĒāĻžāϤ 1: 2: 2.87.

3/ 35 āĻāĻŽāĻĒāĻŋāĻ āϏāĻžāϧāĻžāϰāĻŖāϤ āĻ•āϞāĻžāĻŽ, āĻļ⧇āϝāĻŧāĻžāϰ āĻ“āϝāĻŧāĻžāϞ, āĻŽā§āϝāĻžāϟ āĻĢāĻžāωāĻ¨ā§āĻĄā§‡āĻļāύ āĻŦā§āϝāĻŦāĻšāĻžāϰ⧇āϰ āϜāĻ¨ā§āϝ āωāĻĒāϝ⧁āĻ•ā§āϤāĨ¤ āĻāϰ āĻ…āύ⧁āĻĒāĻžāϤ 1.79:2.57.

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