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  1. soman703

    Cam Clay Model

    Thankyou,I thought people might not look at both forums. hence I posted it to stay safe. :( You've any say on this issue?
  2. soman703

    Vertical Wellbore & Anisotropic conditions and rock is saturated.

    Hello everyone, In vertical wellbore in anisotropic conditions in saturated rock. Immediately after drilling, what would be excess pore pressure? Would it be positive around the hole? Why its not zero? would it be negative? Or its dependent on sign of mean strength increment Delta P? Why would...
  3. soman703

    Critical State Line

    Hello everyone, For critical Sate soil mechanics Whats the status of critical state line? Is it always above or below the NCL? Whats the reason for its being above or below? If Initial condiiton of a volume of a granular material is above Critical state line and the material is then sheared in...
  4. soman703

    Cam Clay Model

    Hello everyone, Considering Modified Cam Clay Model. Is the flow rate associated? Whats the nature of strains? Are they elasto plastic? The yield surface is described by an eclipse and therefore plastic strain increment vector (which is normal to yield surface) for the largest value of the...
  5. soman703

    Cam Clay Model

    Hello everyone, I have a question, Considering Modified Cam Clay Model. Is the flow rate associated? Whats the nature of strains? Are they elasto plastic? The yield surface is described by an eclipse and therefore plastic strain increment vector (which is normal to yield surface) for the...
  6. soman703

    Critical State Soil Mechanics

    Hello everyone, I have a question, For critical State soil mechanics. Whats the status of critical state line? Is it always above or below the NCL? Whats the reason for its being above or below? If Initial condiiton of a volume of a granular material is above Critical state line and the...
  7. soman703

    Vertical Wellbore in Anisotropic conditions

    Hello everyone, I have a question. When we have a Vertical Wellbore & Anisotropic conditions and rock is saturated. Immediately after drilling, what would be excess pore pressure? Would it be positive around the hole? Why its not zero? would it be negative? Or its dependent on sign of mean...
  8. soman703

    Hydrostatic Compression Test

    Hydrostatic compression Tests: Hello everyone, In Hydrostatic compression Test: Stress invariants are P'=q=0. Whats the reason behind it? In [ q p'] space the effective stress path is represented by a vertical straight line which coincies with q-axis. Why and whats its reason and application...
  9. soman703

    Mohr Coulomb Yielding Criterion

    For Mohr Coulomb yielding criterion. If flow rate is associated, dilation angle is equal to the friction angle? If we associate the flow rule, What is the orientation of verctor representing orientation of plastic strain. Why is it not always vertical? If the flowrate is associated, whats the...
  10. soman703

    Weakness Plane Model

    Weakness plane model: Hello everyone, I have a question regarding Weakness plane model.What are limits of it? Can it be only applied when Beta W = 45 ' + Theta w ' /2? When does maximum possible strength predicted by this model occurs? Is it at Beta w= 45 degree + Thetaw'/2? When does this...
  11. soman703

    Uniaxial Compression Test

    Dear all, I have a question regarding Uniaxial compression test. What is the mode of fracture in uniaxial compression test? Is it local tensile fracture that is predominantly parallel to applied stress? Could it also happen in case of nmacroscopic shear fracture. Why is it not dependent...
  12. soman703

    Skempton Coefficient in Triaxial Test

    Skempton Coefficients: A & B are determined by Triaxial CID test. Whats the reason? of doing that? Can B be determined by hydrostatic compression in undrained conditions? Can A be determined by hydostatic compression in undrained conditions? Whats the reason for not doing it or doing it? Can...
  13. soman703

    Odeometric Test

    Dear all, I have a question regarding Oedometric compression test. When is failure expected to occur in an oedometric compression test. Is it when vertical effective stress reaches pre consolidation stress? What would be stress invariants for oedometric test and what is their physical...

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