Table 6 Percentage of single samples and average of 3 samples not complying with the proposed limits on fiber content.
From: Investigation of Fiber Distribution in Concrete Batches Discharged from Ready-Mix Truck
Proposal I Average of 3 samples: Minimum 90 % Any individual sample: Minimum 85 % | Proposal II Average of 3 samples: Minimum 85 % Any individual sample: Minimum 80 % Average of 3 samples: Maximum 115 % Any individual sample: Maximum 120 % | |||||
|---|---|---|---|---|---|---|
% Below min. of average of 3 samples | % Below min. of single samples | % Below min. of average of 3 samples | % Below min. of single samples | % Above max. of average of 3 samples | % Above max. of single samples | |
Steel fibers | 6.7 | 13.3 | 0 | 6.7 | 0 | 4.4 |
Synthetic macro fibers | 0 | 0 | 0 | 0 | 0 | 2.2 |