A1 Stipulations for proportioninga Grade designation : M 40b Type of cement : OPC 43 grade conforming to IS 8112c Maximum nominal size of aggregate : 20 mm

d Minimum cement content : 320e Maximum water-cement ratio : 0.45f Workability : 100 mm Slumpg Exposure condition : Severeh Method of concrete placing : Pumpingj Degree of supervision : Goodk Type of aggregate : crushed angular aggregate

m Maximum cement content : 450n Chemical admixture type : Superplasticizerp Percentage of chemical admixture : 2 %q Ratio of CA 1 to CA 2 : 1r Ratio of FA 1 to FA 2 : 1

A2 Test data for materialsa Cement used OPC 43 grade conforming to IS 8112b Specific gravity of cement : 3.15c Chemical admixture : Superplasticizer conforming to IS 9103d Specific gravity1) Coarse aggregate I : 2.742) Coarse aggregate II : 03) Fine aggregate I : 2.744) Fine aggregate II : 05) Chemical admixture : 1.145e Water absorption1) Coarse aggregate I : 0.5 percent2) Coarse aggregate II : 0 percent3) Fine aggregate I : 1 percent4) Fine aggregate II : 0 percentf Free (surface) moisture1) Coarse aggregate I : nil2) Coarse aggregate II : nil3) Fine aggregate I : nil4) Fine aggregate II : nilg Sieve analysis1) Coarse aggregate I :

IS sieve sizesmm I II I II

Percent Percent40 100 100 60 4020 100 100 60 4016 0 0 0 0

kg/m3

kg/m3

Analysis of coarse aggregate fraction

Percentage of different fractions

12.5 0 0 0 010 0 71.2 0 28.48

4.75 0 9.4 0 3.762.36 0 0 0 0

2) Coarse aggregate II :IS sieve sizes

mm I II I IIPercent Percent

40 0 0 0 020 0 0 0 016 0 0 0 0

12.5 0 0 0 010 0 0 0 0

4.75 0 0 0 02.36 0 0 0 0

3) Fine aggregate I and II combined : IS sieve sizes Percentage passing10 mm 100

4.75 mm 952.36 mm 761.18 mm 60600 micron 40300 micron 15150 micron 5

A3 Target strength for mix proportioning

48.25A4 Maximum water cement ratio 0.45

Adopted water cement ratio 0.45

A5 Selection of water content 186

Water content for 100 mm slump 197.16Adopted water content 197 litre

A6 Calculation of cement content

Cement content 437.78

Minimum cement content 320

Maximum cement content 450

Adopted cement content 437.78A7 Proportion of Vol of CA to FA 0.64

Corrected vol of CA and FA 0.55

Analysis of coarse aggregate fraction

Percentage of different fractions

f'ck N/mm2

kg/m3

kg/m3

kg/m3

kg/m3

kg/m3

kg/m3

Volume of CA 0.55Volume of FA 0.45

A8 Mix Calculations

Volume of cement 0.1390

Volume of water 0.1970

Volume of chemical admixture 0.0076

Volume of all in aggregate 0.6564Mass of aggregatesCA 1 990.60 kgCA 2 0.00 kgFA 807.87 kg

A9 Mix Proportions

Cement 437.78

Water 197.00

Fine Aggregate 1 807.87

Fine Aggregate 2 0.00

Coarse Aggregate 1 990.60

Coarse Aggregate 2 0.00

Chemical admixture 8.76

m3

m3

m3

m3

kg/m3

kg/m3

kg/m3

kg/m3

kg/m3

kg/m3

kg/m3

Fraction I to Fraction II ratio Percentage passing for graded aggregate of nominal size60 40 40 20 16 12.5

Combined mm mm mm mmPercent

Conforms to table 2 of IS 383

Percent Percent Percent Percent100 FALSE TRUE FALSE FALSE100 0 TRUE 0 FALSE

0 TRUE 0 TRUE 0 FALSE

Percentage of different fractions

0 0 TRUE 0 FALSE28.48 0 TRUE 0 FALSE

3.76 0 TRUE 0 FALSE0 0 TRUE 0 FALSE

FALSE TRUE FALSE FALSEFraction I to Fraction II ratio Percentage passing for graded aggregate of nominal size

60 40 40 20 16 12.5Combined mm mm mm mmPercent Conforms to table 2 of IS 383 Percent Percent Percent Percent

0 TRUE 0 0 0 FALSE0 0 0 0 FALSE0 0 1 0 FALSE0 0 1 0 FALSE0 0 0 0 FALSE0 FALSE TRUE FALSE FALSE0 0 1 0 FALSE

0 FALSE FALSE FALSEPercentage passing for

Grading zoneI II III IVPercent Percent Percent Percent

Conforms to table 2 of IS 383

1 1 TRUE TRUE1 TRUE TRUE TRUE1 1 0 FALSE

ZONE II 1 1 0 FALSE0 1 0 FALSE1 1 1 TRUE1 TRUE TRUE TRUE0 TRUE FALSE FALSE

s 5difference in slump 50Percentage increase 0.06

320

sub angulagravel rounded gravel0 0 0

difference -0.14-2.8 pumping

Percentage of different fractions

0.612 -0.1

Percentage passing for graded aggregate of nominal size Percentage passing for graded aggregate of nominal size40 20 16 12.5

mm mm mm mmPercent Percent Percent Percent95 to 100 10030 to 70 95 to 100 100 100

90 to 100

90 to 10010 to 35 25 to 55 30 to 70 40 to 850 to 5 0 to 10 0 to 10 0 to 10

Percentage passing for graded aggregate of nominal size

Percentage passing for

Grading zoneI II III IVPercent Percent Percent Percent

100 100 100 10090 to 100 90 to 100 90 to 100 95 to 10060 to 95 75 to 100 85 to 100 95 to 10030 to 70 55 to 90 75 to 100 90 to 10015 to 34 35 to 59 60 to 79 80 to 1005 to 20 8 to 30 12 to 49 15 to 500 to 10 0 to 10 0 to 10 0 to 15

T5 IS456

Sl. No Exposure Minimum cMaximum frMinimum grade of concrete1 Mild 300 0.55 M202 Moderate 300 0.5 M25

3 Severe 320 0.45 M30

4 Very sever 340 0.45 M355 Extreme 360 0.4 M40

T2 10262

Sl. No

1 10 208

2 20 186

3 40 165T3 IS 1026 Vol. CA/FASl. No Zone I Zone II Zone III Zone IV

Nominal maximum size of aggregate

Maximum water content

Nominal maximum size of aggregate

1 10 0.5 0.48 0.46 0.442 20 0.66 0.64 0.62 0.63 40 0.75 0.73 0.71 0.69