Research Article

Coupling Effect of Creep Deformation and Prestress Loss of Anchored Jointed Rock

Table 2

Coupling effect model parameters of creep deformation and prestress loss of jointed and anchored rock mass.

Joint dip angle (°)906030

(MPa)2208144509467
307811392018712
361872193026404
367710160
20195981915281
1040477026577614
−0.11−0.05−0.054
−0.06−0.140
Correlation coefficient R0.960.930.97