Research Article
Predicting Pumpability and Shootability of Crushed Aggregate Wet-Mix Shotcrete Based on Rheological Properties
Table 2
Recommended replacement/addition ranges for each admixture.
| | Mixture group | Pumpable (%) | Nonpumpable (%) |
| | Silica fume only | 5–15 | <5 | | Fly ash | — | All | | GGBFS | 30–40 | <30 | | 9.1% silica fume | | | | Metakaolin | 0–10 | >10 | | Steel fiber | — | All |
|
|
