Concrete Mix Design .xls

Mix Design for Concrete

Grade = M 25

C1.Design stipulation: i Characteristic Compressive strength

=

ii Maximum size of aggregate

=

iii Degree of workability iv Degree of quality v Type of Exposure

= = =

C2. Test data for materials (i) Cement used (ii) Specific gravity of Cement (iii) Specific gravity

25 20 0.8

N/mm2 mm Good Mild

=

Fine Aggregate Coarse Aggregate (iv) Water absorption

3

=

2.8 2.61

=

Fine Aggregate

2.1 0.78

%

= =

2.1

% Nil %

=

3

=

31.60

N/mm2

=

0.44

(From fig. 1, Is 10262)

=

Coarse Aggregate (v) Free Surface Moisture

=

Fine Aggregate Coarse Aggregate (vi) Fine Aggregate confirming the table 4, 383- Zone

IS

PPC

=

%

Zone

C3.Target mean strength

C4. Selection of Water Cement ratio Water Cement ratio

C7. Determination of Fine & Coarse aggregate Air entrapped in concrete Actual quantity of concrete "V"

= =

2

% (From Table 3, IS 10262) 0.98 Cum

Materials required for concrete Grade M 25 1 Concrete quantity = Sl. No

Material name

Cum

Quantity

Unit

1 Cement

422.73

kg

2 Fine Aggregate

565.72

kg

3 Coarse Aggregate 20mm

709.71

kg

4 Coarse Aggregate 10mm

473.14

kg

Prepared by,

5 Water

183.63

ltr

6 Slump

75 - 100

mm

Sathiyaseelan

7 W/C ratio

0.44

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