Table 2 Results of uniaxial failure tests on core samples.
Compressive strength/MPa | Average value/MPa | Variance | Grouting method | ||
|---|---|---|---|---|---|
1 | 2 | 3 | |||
20.9 | 20.6 | 19.9 | 20.5 | 0.26 | Grouting |
20.5 | 20.1 | 20.1 | 20.2 | 0.05 | Rotary jet grouting |
Compressive strength/MPa | Average value/MPa | Variance | Grouting method | ||
|---|---|---|---|---|---|
1 | 2 | 3 | |||
20.9 | 20.6 | 19.9 | 20.5 | 0.26 | Grouting |
20.5 | 20.1 | 20.1 | 20.2 | 0.05 | Rotary jet grouting |
