Tensile Strength
In the Define Material Properties dialog, a Tensile Strength can be defined for the following strength models:
- Mohr-Coulomb
- Undrained (Phi = 0)
- Anisotropic Strength
- Shear/Normal Function
- C/Phi Function
- Generalized Hoek-Brown
- Vertical Stress Ratio
- Power Curve
- Discrete Function
- Drained-Undrained
- Generalized Anisotropic
- SHANSEP
Tensile Strength CANNOT be defined for the following strength models:
For Barton-Bandis and Hyperbolic strength models, the tensile strength is zero by definition.
To define a Tensile Strength:
- Select one of the applicable strength models.
- Select the Tensile Strength checkbox and enter a value.
The Tensile Strength option can be useful for models which exhibit tensile forces between columns or on the base of columns.
Large tensile forces in limit equilibrium slope stability analysis usually lead to incorrect solutions and/or numerical problems, and should generally be avoided.
The Tensile Strength option can also be used to automatically eliminate tensile forces by adjusting the local factor of safety on a column, so that the effective normal stress is zero on the base of the column.