Research Article
Research on the Application of Prefabricated Load-Bearing Structure in Prefabricated Roadway in Filling Body
Table 4
Numerical simulation calculation parameters.
| | Rock layer name | Bulk (GPa) | Shear (GPa) | Cohesion (MPa) | Friction (degree) | Unit weight (kg/m3) |
| | Core surrounding rock | 6.840 | 6.550 | 21.0 | 40 | 2,640 | | Filling body (stage 3) | 0.565 | 0.420 | 3.0 | 32 | 1,799 | | Filling body (stage 2) | 0.482 | 0.355 | 2.4 | 30 | 1,797 | | Filling body (stage 1) | 0.346 | 0.295 | 2.1 | 29 | 1,794 | | Load-bearing structure | Assigned according to fitted parameters for respective cement-to-sand ratios in Table 3. |
|
|
