EBCS Mix Design

Standard Mixes for Ordinary Structural Concrete per 50 kg Bag of Cement (Adapted from EBCS 2 – 1995) Nominal max. size of  Aggregate (mm) Concrete Grade

C5

C 15

C 20

C 25

C 30

Worka Workabil bilit ity y Limits of slump that may be expected (mm) Total Aggregate (Kg) Fine Aggregate (%) 3 Vol. of Finished Concrete (m ) Total Aggregate (Kg) Fine Aggregate (%) 3 Vol. of Finished Concrete (m Total Aggregate (Kg) Fine Aggregate (%) 3 Vol. of Finished Concrete (m Total Aggregate (Kg) Fine Aggregate (%) 3 Vol. of Finished Concrete (m Total Aggregate (Kg) Fine Aggregate (%) 3 Vol. of Finished Concrete (m

40

20

14

10

Medi Medium um

High High

Mediu Medium m

High High

Mediu Medium m

High High

Medi Medium um

High High

30 – 60

60 - 120

20 – 50

50 – 100

10 – 30

30 – 60

10 – 25

25 - 50

640 30 – 45 0.312 370 30 – 45 0.200 305 30 – 35 0.165 265 30 – 35 0.147 235 30 – 35 0.134

550 30 – 45 0.275 330 30 – 45 0.183 270 30 – 40 0.155 240 30 – 40 0.137 215 30 – 40 0.127

540 35 – 50 0.277 320 35 – 50 0.178 280 30 – 40 0.156 240 30 – 40 0.137 210 30 – 40 0.124

480 35 – 50 0.252 280 35 – 50 0.160 250 35 – 45 0.143 215 35 – 45 0.127 190 35 – 45 0.115

-

-

-

-

-

-

-

-

255 35 – 45 0.146 220 35 – 45 0.130 195 35 – 45 0.115

220 45 – 50 0.130 195 40 – 50 0.118 170 40 – 50 0.106

240 40 – 50 0.137 210 40 – 50 0.124 180 40 – 50 0.109

200 45 – 55 0.121 175 45 – 55 0.110 150 45 – 55 0.097