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Recent content by nsong

  1. nsong

    wall/foundation soil interaction coefficient

    I am reviewing a retaining wall design. In the calculations, two parameters caught my attention. They are called "Wall Soil Interaction Coefficient" and "Foundation Soil Interaction Coefficient". For both parameters, a value of 0.9 are asigned. To my knowledge, such coefficient is the tangent...
  2. nsong

    Soil Resistivity

    Hi MRM, Thank you so much for your helpful and suggestive reply. You message further encouraged me to look into the issue. We went back to the original field data, and the new Soil Resistivity values we obtained are about 12000 to 20000 ohms-cm. You are absolutely right, Eng-Tips is a very...
  3. nsong

    Soil Resistivity

    Hi Guys, I am working on a project that requires reviewing some soil resistivity data. The values I've got are around 800,000 ohms-cm, they were measured in damp to moist silty, clayey sands. They seemed pretty high, are these values possible? I have read literatures suggesting that the...
  4. nsong

    Soil resistivity opinion

    Hi guys, I am working on a project that requires reviewing some soil resistivity data. The number I have are aroung 800,000 ohms-cm, they were measured in damp to moist silty and clay sands, are these numbers possible? I read some literature suggesting that the maximum values are about 500,000...

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