<ul><li><p>Standard Mixes for Ordinary Structural Concrete per 50 kg Bag of Cement (Adapted from EBCS 2 1995) </p><p>Nominal max. size of Aggregate (mm) 40 20 14 10 </p><p>Workability Medium High Medium High Medium High Medium High Concrete Grade Limits of slump that may be </p><p>expected (mm) 30 60 60 - 120 20 50 50 100 10 30 30 60 10 25 25 - 50 </p><p>C 5 Total Aggregate (Kg) Fine Aggregate (%) Vol. of Finished Concrete (m3) </p><p>640 30 45 0.312 </p><p>550 30 45 0.275 </p><p>540 35 50 0.277 </p><p>480 35 50 0.252 </p><p>- - - - </p><p>C 15 Total Aggregate (Kg) Fine Aggregate (%) Vol. of Finished Concrete (m3 </p><p>370 30 45 0.200 </p><p>330 30 45 0.183 </p><p>320 35 50 0.178 </p><p>280 35 50 0.160 </p><p>- - - - </p><p>C 20 Total Aggregate (Kg) Fine Aggregate (%) Vol. of Finished Concrete (m3 </p><p>305 30 35 0.165 </p><p>270 30 40 0.155 </p><p>280 30 40 0.156 </p><p>250 35 45 0.143 </p><p>255 35 45 0.146 </p><p>220 45 50 0.130 </p><p>240 40 50 0.137 </p><p>200 45 55 0.121 </p><p>C 25 Total Aggregate (Kg) Fine Aggregate (%) Vol. of Finished Concrete (m3 </p><p>265 30 35 0.147 </p><p>240 30 40 0.137 </p><p>240 30 40 0.137 </p><p>215 35 45 0.127 </p><p>220 35 45 0.130 </p><p>195 40 50 0.118 </p><p>210 40 50 0.124 </p><p>175 45 55 0.110 </p><p>C 30 Total Aggregate (Kg) Fine Aggregate (%) Vol. of Finished Concrete (m3 </p><p>235 30 35 0.134 </p><p>215 30 40 0.127 </p><p>210 30 40 0.124 </p><p>190 35 45 0.115 </p><p>195 35 45 0.115 </p><p>170 40 50 0.106 </p><p>180 40 50 0.109 </p><p>150 45 55 0.097 </p></li></ul>
Ethiopian Building Code Standard definition, categories, type and other relevant information provided by All Acronyms. EBCS stands for Ethiopian Building Code Standard. Ethiopian Building Code Standard. VENTILATION AND AIR CONDITIONING. OF BUILDINGS. Ministry of Works & Urban Development.