Page 25 - ConcreCem - State of the Art

9.2 Mix C20/25, slump = 140 mm
Materials
Density [kg/m3]
Amount of material in 1 m3 concrete [kg]
CEM I 42,5N
ConcreCem
(0,3% by mass of cement)
Water
Sand 0/4 mm
Gravel 4/16 mm
Air content
Water / cement ratio
Estimated slump
Estimated compressive strength after 24 hours
Estimated compressive strength after 28 days
3150 2180
1000
2650
2650
310
0,95
202
720 1080 2% 0,65 140 mm
8 N/mm2 38 N/mm2
345
1,06
191
720 1080 2% 0,55 100 mm
18 N/mm2 46 N/mm2
9.3 Mix C30/37, slump = 100 mm
CEM I 42,5N
ConcreCem
(0,3% by mass of cement)
Water
Sand 0/4 mm
Gravel 4/16 mm
Air content
Water / cement ratio
Estimated slump
Estimated compressive strength after 24 hours
Estimated compressive strength after 28 days
Materials
Density [kg/m3]
Amount of material in 1 m3 concrete [kg]
3150 2180
1000
2650
2650
Page 25