Table 3.
Experimental plan. W/B, water/binder.
| Evaluation Items | Experimental Variables | ||
|---|---|---|---|
| Factors of mixture | Types of liquid chemical | SS (No. 3) | |
| Types of liquid B binders | OPC, CGM | ||
| W/B ratio of liquid B | 140% | ||
| Volume replacement ratio of liquid B | 50% | ||
| Test items | Effects of CGM on shortening gel time | Gel state | Gel time (s) |
| Constructability | Average daily workload (m/day) | ||
| Construction speed | Construction period per 1 m (min/m) | ||
| Effects of CGM on increasing on homogel strength | Hardened state | Homogel strength (MPa) | |
| Durability | Chemical shrinkage (%) | ||
| Air permeability (×10−10 m2) | |||
| X-ray diffraction analysis | |||
| Scanning electron microscope analysis | |||
| Leakage length | Leakage length per 1 m2 (m/m2) | ||