Table 1 Mix proportions and properties of concrete.
From: Effect of Recycled Concrete on the Flexural Behavior of Concrete-Filled FRP Tubes
Specimen | RCFFT-0 | RCFFT-25 | RCFFT-50 | RCFFT-100 |
|---|---|---|---|---|
RCA (kg/m3) | 0 | 214 | 427 | 854 |
NCA (kg/m3) | 854 | 640 | 427 | 0 |
Cement (kg/m3) | 354 | 354 | 354 | 354 |
Sand (kg/m3) | 848 | 848 | 848 | 848 |
Water (kg/m3) | 202 | 202 | 202 | 202 |
W/C | 57 | 57 | 57 | 57 |
Compressive strength (MPa) | 30.98 | 29.64 | 29.60 | 26.74 |