This document outlines the procedure for concrete mix design according to IS:10262-2009, including calculating the target strength, selecting the water-cement ratio and water content, proportioning aggregates, and testing trial mixes. It references tables from IS:10262 and IS:456 that provide guidelines for minimum cement content and water-cement ratios based on exposure conditions, maximum water content based on aggregate size, and volume of coarse aggregate depending on the zone of fine aggregate.

1. POORNIMA INSTITUTE OF
ENGINEERING&TECHNOLOGY
JAIPUR
“Concrete Mix Design”
BY:
KISHOR KUMAR

2. IS CODE 10262:2009
CODE FOR CONCRETE MIX PROPORTIONING

3. Concrete Mix Design Procedure as per IS:10262 – 2009
1. Calculation of target strength of concrete
2. Selection of water-cement ratio
3. Selection of water content for concrete
4. Selection of cement content for concrete
5. Proportion of calculation of coarse and fine
aggregate
6. Mix calculation
7. Trial mixes for testing concrete mix design
strength

4. IS:10262 TABLE-1

6. IS:10262 TABLE-2
IS:456 TABLE-5

7. S.No.
Environmental
Exposure
Condition
Reinforced Concrete
Minimum
Cement
Content
(kg/m3)
Maximum
Free Water-
Cement
Ratio
Minimum
Grade of
Concrete
1 Mild 300 0.55 M20
2 Moderate 300 0.50 M25
3 Severe 320 0.45 M30
4 Very Severe 340 0.45 M35
5 Extreme 360 .40 M40
Sl.No. Nominal maximum size of aggregate
Maximum water
content
1 10 208
2 20 186
3 40 165
.

8. IS:10262 TABLE-3

9. S.No.
Nominal
Maximu
m
Size of
Aggregat
e
(mm)
Volume of coarse aggregate per unit volume of
total aggregate for different zones of fine
aggregate
Zone IV Zone III Zone II Zone I
1 10 0.50 0.48 0.46 0.44
2 20 0.66 0.64 0.62 0.60
3 40 0.75 0.73 0.71 0.69