| 11. | The pore water pressure is essential in differentiating a soil's total stress from its effective stress.
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| 12. | The term'cyclic mobility'refers to the mechanism of progressive reduction of effective stress due to cyclic loading.
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| 13. | From the effective stress equation, the change in u directly effects the effective stress by the equation:
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| 14. | From the effective stress equation, the change in u directly effects the effective stress by the equation:
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| 15. | If water is being injected, the seepage force acts to separate the spheres and reduces the effective stress.
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| 16. | A typical reference strain for the approximate occurrence of zero effective stress is 5 % double amplitude shear strain.
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| 17. | Finally, the relationship between void ratio and effective stress is not independent of time, again proven by experimental results.
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| 18. | Effective stress is easy to disrupt by the application of additional forces; every footstep on a sand pile demonstrates this.
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| 19. | A soil which is currently experiencing the maximum past vertical effective stress is said to be " normally consolidated ".
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| 20. | If stress reversal does not occur, zero effective stress is not possible to occur, then " cyclic mobility " takes place.
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