Cost Savings With High Strength Concrete-3.docx

COST SAVINGS WITH HIGH STRENGTH CONCRETE We know that cross sectional area of 20mpa concrete column is 3 times as large as that of the 60mpa concrete. Therefore, it is necessary to place 3 times more concrete means 3 times more dead weight.

MATERIALS Cementitious material Water 20mm 12.5mm M Sand Type F/G Admixture

MATERIALS Cementitious material Water 20mm 12.5mm M Sand Type F/G Admixture

20mpa Concrete=3 times kg/m3 x 3 times Cost/Kg(Tentative) Cost/m3 300 150 712 474 785

900 450 2136 1422 2355

4 0.2 0.8 0.8 0.8

3600 90 1708.8 1137.6 1884

1

3

100

300 8720.4

60mpa Concrete=1 time kg/m3 x 1 time Cost/Kg(Tentative) Cost/m3 600 162 605 403 667

4 0.2 0.8 0.8 0.8

2400 32.4 484 322.4 533.6

3

100

300 4072.4

Direct Cost Saving with M60 Concrete: minimum 45% Other savings: Man Power, Machine, Energy, Time Huge Contribution to Environment, Ecology (If concerned)