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Concrete testing - fresh

The measured slump (EN 12350-2) of the twelve conventional concrete types is shown below. As can be seen it was not possible to stay within the target range of 160 20 mm. However of the individual batches (Large block 1, Large block 2, Small block, Cylinders + cubes) 35 out 48 measurements were within the target range, and 46 of 48 measurements were within 120-180 mm. The outliers being one measurement at 110 mm and one at 190 mm.

The combined homogenized mixture (large block 1+2) showed slightly greater variation in slump. Still 8 out of 12 concretes were cast with a slump within the target range, and no concretes were cast with slumps less than 100 mm (L: Slaggecement uden luft) or higher than 200 mm (A: Ren Portland).