Science – Society – Technology
From: Thermally driven fracture aperture variation in naturally fractured granites
Type of heating | Specimen | Test name | \(P_{\text{co}\_\text{r}}\) (MPa) | Temperature (\(^\circ\)C) | Duration (h) |
---|---|---|---|---|---|
Step-wise heating | N14 | \(\#\)N14-S1 | 20 | [25, 50, 70, 90, 110, 80, 50, 25] | 115 |
\(\#\)N14-S2 | 30 | [25, 50, 70, 90, 110, 80, 50, 25] | 137 | ||
\(\#\)N14-S3 | 40 | [25, 70, 110, 140] | 83 | ||
Constant-rate heating | N19 | \(\#\)N19-C1 | 20 | [25 \(\rightarrow\) 110 \(\rightarrow\) 25] | 92 |
\(\#\)N19-C2 | 30 | [25 \(\rightarrow\) 110 \(\rightarrow\) 25] | 101 |