Research Article
Compression Mechanical Properties and Constitutive Model for Soft–Hard Interlayered Rock Mass
Table 1
Proportioning test design.
| Group | Mass ratio of cement, gypsum, and silica sand | Water–cement ratio | Uniaxial compressive strength (MPa) |
| 1 | 1 : 0.1 : 0.9 | 0.50 | 55.7 | 2 | 1 : 0.1 : 0.7 | 0.40 | 53.6 | 3 | 1 : 0.1 : 0.8 | 0.48 | 52.2 | 4 | 1 : 0.1 : 0.9 | 0.60 | 47.4 | 5 | 1 : 0.2 : 1 | 0.55 | 42.2 | 6 | 1 : 0.2 : 1 | 0.60 | 39.6 | 7 | 1 : 0.3 : 0.4 | 0.46 | 33.9 | 8 | 1 : 0.4 : 0.8 | 0.60 | 17.7 | 9 | 1 : 0.3 : 1.2 | 0.60 | 21.7 | 10 | 1 : 0.4 : 0.7 | 0.60 | 16.3 |
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