Research Article

Study on the Nonlinear Damage Creep Model of the Weak Interlayer

Table 1

Creep parameter identification results (σ = 0.5 MPa; τ = 0.10∼0.59 MPa).

τ/MPaG1/MPaG2/MPaη1/MPa·mm-1 hη2/MPa·mm-1 hη3/MPa·mm-1 haR2

0.13.012.981.53127.340.9937
0.191.992.494.77239.540.9851
0.291.553.381.64446.510.9893
0.391.244.211.66505.750.9758
0.591.341.641.6579.415.610.510.9963