Table 4.
Tension strength result at different days' intervals.
| Day | Sample | Normal concrete | Bacillus sphaericus bacterial concrete | Streptococcus aureus bacterial concrete | ||||
|---|---|---|---|---|---|---|---|---|
| 106 cfu/ml | 107 cfu/ml | 108 cfu/ml | 106 cfu/ml | 107 cfu/ml | 108 cfu/ml | |||
| 7 days | A | 2.03 | 2.68 | 2.91 | 2.39 | 2.31 | 2.56 | 2.3 |
| B | 2.11 | 2.39 | 2.89 | 2.41 | 2.29 | 2.63 | 2.16 | |
| C | 2.13 | 2.7 | 2.93 | 2.52 | 2.17 | 2.81 | 2.21 | |
|
| ||||||||
| 28 days | A | 3.16 | 4.51 | 5.31 | 4.31 | 4.62 | 6.02 | 4.27 |
| B | 3.23 | 4.31 | 5.62 | 4.16 | 3.98 | 6.13 | 4.31 | |
| C | 3.68 | 5.03 | 5.17 | 4.39 | 4.57 | 5.87 | 3.92 | |
|
| ||||||||
| 56 days | A | 4.16 | 6.23 | 7.08 | 5.23 | 5.17 | 6.31 | 5.13 |
| B | 4.39 | 6.13 | 7.16 | 5.16 | 5.93 | 6.42 | 5.31 | |
| C | 4.08 | 6.27 | 7.11 | 5.39 | 5.23 | 5.98 | 5.27 | |
|
| ||||||||
| 90 days | A | 5.09 | 7.18 | 8.21 | 6.08 | 6.14 | 7.21 | 6.17 |
| B | 5.67 | 7.23 | 8.18 | 6.17 | 6.31 | 7.52 | 6.19 | |
| C | 5.83 | 6.98 | 8.31 | 5.87 | 5.93 | 7.43 | 6.45 | |
|
| ||||||||
| 120 days | A | 5.98 | 8.17 | 9.17 | 7.17 | 8.03 | 8.13 | 7.17 |
| B | 5.87 | 8.31 | 9.19 | 7.77 | 8.12 | 8.39 | 7.13 | |
| C | 5.92 | 8.42 | 8.92 | 7.52 | 8.11 | 7.81 | 7.06 | |
|
| ||||||||
| 180 day's | A | 6.13 | 9.16 | 10.16 | 8.13 | 8.87 | 9.16 | 8.16 |
| B | 6.34 | 9.38 | 10.23 | 8.91 | 8.92 | 9.23 | 8.32 | |
| C | 6.24 | 8.93 | 10.08 | 7.86 | 8.99 | 9.33 | 8.05 | |
|
| ||||||||
| 270 days | A | 6.87 | 10.19 | 11.26 | 8.17 | 9.62 | 10.19 | 8.91 |
| B | 6.67 | 9.89 | 11.38 | 8.39 | 9.39 | 10.27 | 8.89 | |
| C | 6.54 | 10.21 | 10.97 | 8.17 | 8.91 | 9.89 | 7.98 | |
|
| ||||||||
| 365 days | A | 6.91 | 11.31 | 12.03 | 9.16 | 10.11 | 11.61 | 9.17 |
| B | 6.97 | 11.22 | 11.98 | 9.71 | 10.27 | 11.91 | 9.23 | |
| C | 7.08 | 11.34 | 11.91 | 8.98 | 10.33 | 11.89 | 9.31 | |