Research Article
An Index for Estimating the Stability of the Layered Rock Masses under Excavation Disturbance
Table 2
Parameters of fully grouted bolt and anchored pile.
| Parameters | Values | Fully grouted bolt | Anchored pile |
| Cross-sectional area of cable (m2) | 6.16E−4 | 5.54E−3 | Elastic modulus of cable (GPa) | 210 | 210 | Grout exposed perimeter (m) | 0.06 | 0.116 | Grout stiffness per unit length (N/m/m) | 1.0E + 7 | 1.0E + 7 | Grout cohesive strength (N/m) | 1.0E + 6 | 2.0E + 6 | Grout friction angle (°) | 30.0 | 30.0 | Tensile yield strength of cable (N) | 2.22E + 5 | 2.0E + 6 |
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