Table 3 Change of comprehensive strength after 28 days.
From: Use of Heavy Oil Fly Ash as a Color Ingredient in Cement Mortar
% of FA | Comprehensive strength after 28 days (MPa) | |||
|---|---|---|---|---|
Sample 1 | Sample 2 | Sample 3 | Average | |
2 | 41.15 | 40.95 | 42.59 | 41.56 |
5 | 38.75 | 37.95 | 39.82 | 38.84 |
10 | 28.63 | 28.49 | 29.02 | 28.71 |
20 | 24.07 | 25.02 | 24 | 24.36 |
Reference cubes | 42.96 | 41.32 | 42.59 | 42.29 |