Table 4 Compressive strength of concrete under different replacement rates.
From: Effect of biological shells aggregate on the mechanical properties and sustainability of concrete
Shell replacement ratio/% | Compressive strength fc (MPa) | |||||
|---|---|---|---|---|---|---|
0 (Standard Group) | 20.4 | 19.5 | 20 | 20.6 | 20.3 | 18.8 |
10 | 23.4 | 21.3 | 22.4 | 22.2 | 21.6 | 22.8 |
30 | 22.5 | 22.9 | 22.8 | 20.3 | 22.4 | 22.5 |
50 | 21.8 | 22.6 | 21.9 | 22.3 | 23.3 | 22.9 |