Research Article
Analysis on the Mechanical Characteristics and Energy Conversion of Sandstone Constituents under Natural and Saturated States
Figure 9
The energy conversion curves of triaxial compression tests.
| (a) I-4 (15 MPa) |
| (b) II-4 (15 MPa) |
| (c) I-7 (45 MPa) |
| (d) II-7 (45 MPa) |