Table 4 Statistics of uniaxial compression test results of resin grout specimens subjected to different mine water environments.
From: Experimental investigation of the influence of mine water on mechanical properties of resin grout
Solution type | Soaking time/d | Samples | UCS/MPa | Average UCS/MPa |
|---|---|---|---|---|
NS | – | NS-1 | 54.92 | 54.27 |
NS-2 | 54.50 | |||
NS-3 | 53.41 | |||
pH = 4 | 10 | 10-1 | 45.44 | 45.32 |
10-2 | 44.73 | |||
10-3 | 45.78 | |||
20 | 20-1 | 39.43 | 39.09 | |
20-2 | 38.94 | |||
20-3 | 38.90 | |||
35 | 35-1 | 34.60 | 34.17 | |
35-2 | 34.11 | |||
35-3 | 33.81 | |||
pH = 6 | 10 | 10-1 | 45.72 | 47.32 |
10-2 | 47.75 | |||
10-3 | 46.78 | |||
20 | 20-1 | 41.90 | 41.64 | |
20-2 | 41.61 | |||
20-3 | 41.42 | |||
35 | 35-1 | 36.94 | 35.50 | |
35-2 | 34.86 | |||
35-3 | 34.71 | |||
pH = 7 | 10 | 10-1 | 52.05 | 51.50 |
10-2 | 51.90 | |||
10-3 | 50.54 | |||
20 | 20-1 | 49.14 | 48.75 | |
20-2 | 48.92 | |||
20-3 | 48.17 | |||
35 | 35-1 | 38.86 | 38.79 | |
35-2 | 38.77 | |||
35-3 | 38.73 | |||
pH = 8 | 10 | 10-1 | 43.74 | 42.97 |
10-2 | 43.08 | |||
10-3 | 42.09 | |||
20 | 20-1 | 38.46 | 37.61 | |
20-2 | 37.28 | |||
20-3 | 37.09 | |||
35 | 35-1 | 31.74 | 31.58 | |
35-2 | 31.55 | |||
35-3 | 31.44 | |||
pH = 10 | 10 | 10-1 | 40.34 | 40.16 |
10-2 | 40.14 | |||
10-3 | 40.01 | |||
20 | 20-1 | 33.35 | 32.46 | |
20-2 | 32.25 | |||
20-3 | 31.78 | |||
35 | 35-1 | 29.18 | 28.78 | |
35-2 | 28.90 | |||
35-3 | 28.26 |
