Research Article
Predicting Pumpability and Shootability of Crushed Aggregate Wet-Mix Shotcrete Based on Rheological Properties
Table 3
Predicted build-up thickness ranges for WMS mixtures meeting pumping requirements.
| Mixture group | Pumpable range (%) | Predicted build-up thickness (mm) |
| Silica fume only | 5–15 | 97–173 | Fly ash | — | — | GGBFS | 30–40 | 68–84 | 9.1% silica fume | | | Metakaolin | 0–10 | 114–218 | Steel fiber | — | — | Overall range | 5–15 | 68–218 |
|
|