Table 3 Concrete flexural strength under different substitution rates.
From: Effect of biological shells aggregate on the mechanical properties and sustainability of concrete
Shell replacement rate/% | Flexural strength ff (MPa) | |||||
|---|---|---|---|---|---|---|
0 (Standard Group) | 6.5 | 6.25 | 5.25 | 6.5 | 6.5 | 5.75 |
10 | 7.5 | 9.5 | 14.25 | 7.75 | 8 | 7.5 |
30 | 9.75 | 9.75 | 9.75 | 8.5 | 9.25 | 9 |
50 | 9.75 | 10 | 10 | 10.25 | 10.5 | 10 |