Table 3 Microscopic parameters of limestone.
From: Study on blasting characteristics of rock mass with weak interlayer based on energy field
Linear group | Parallel-bond group |
|---|---|
Effective modulus = 2.5 GPa | Bond effective modulus = 2.5 GPa |
Friction coefficient = 0.2 | Bond stiffness ratio = 1.8 |
Stiffness ratio = 1.8 | Bond tensile strength = 10.0 MPa |
Bond cohesion = 5.0 MPa | |
Bond friction = 10° |
