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  1. SEARCH2016

    Select Fill Materials

    Thank you aeoliantexan to open the blackbox. Trying to understand better, you referred to the undrained strength of clays in Dallas areas. Is there any rule of thumb between the uplift pressure and the undrained strength? The one discussed earlier was between the PI and uplift pressure, which I...
  2. SEARCH2016

    Depth of bored piles in expansive soils

    Thank you for your response. True, one way to reduce the length of pile, is by a sleeve. But I would like to know if the calculation methodology gives a correct depth before prescribing a friction reduction sleeve. EireChch, if you have encountered a similar problem, may you let me know what...
  3. SEARCH2016

    Depth of bored piles in expansive soils

    Understanding that the pile tip should be below the active zone (or depth of zero swelling?), how deep should it penetrate below the active zone to counter balance the uplift swelling pressures on the pile skin. When I calculated based on soil's Su, the pile would have unreasonable depth and I...

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