Conventional shear strengths: Shear strengths are defined by a cohesion and friction angle. Values may be expressed in terms of either total or effective stresses. | |

Undrained (f = 0) shear strengths may increase linearly with depth below a horizontal reference datum. | |

Undrained (f = 0) shear strengths may increase linearly with depth below an irregular "profile line" defining the top surface of a stratum. | |

Shear strengths may be anisotropic: Cohesion and friction angle may vary with the inclination of the failure plane. Cohesion and friction may be expressed in terms of either total or effective stresses. | |

Mohr-Coulomb failure envelope may be nonlinear (any variation in shear strength with total or effective normal stress). | |

"Two-stage" strengths may be specified for multi-stage analyses of rapid drawdown or similar loading involving "consolidation" and "undrained" shear stages. Strength envelopes may be either linear or nonlinear. |

Zero pore water pressures - this is applicable and necessary for any material where the shear strength is defined using total stresses. | |

Constant value of pore water pressure. | |

Constant value of the pore water pressure coefficient r | |

A piezometric line - multiple piezometric lines may be used. | |

Interpolation of values of pore water pressure from irregularly spaced (un-gridded) data points. | |

Interpolation of values of pore water pressure coefficient r |

Distributed surface loads - shear and normal stresses with any pattern of variation. Loads may be applied to horizontal or inclined ground surfaces to simulate bearing capacity problems. | |

Line loads. | |

"Tension" cracks. | |

Seismic coefficients for pseudo-static analyses. |

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