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  • Users: aj_k
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  1. aj_k

    Hi, [img https://res.cloudinary.

    Hi, Please check the image above. I have calculated the settlement until the surcharge is removed. In the figure, there shows an elastic response of soil once the surcharge is removed. How can you calculate the settlement just after the surcharge is removed(because the settlement is less...
  2. aj_k

    Hi, When concrete is poured into

    Hi, When concrete is poured into the pile(for a fully soil displacement pile), in its fresh concrete stage, does the horizontal stress from concrete at a particular depth which is acting towards the soil will be less than the vertical depth at that level? If so, how to determine the horizontal...
  3. aj_k

    Hi, How is it possible to calcul

    Hi, How is it possible to calculate the distance of a magnetic object with the magnetic field measured by a magnetometer CPT (irrespective of the object direction). Is there some relation that exists which can be correlated with distance to the magnetic object and magnetic field measured...
  4. aj_k

    Chloride content of soil

    Hi, How can we correlate the electrical conductivity (EC) of soil (measured in a CPT test) and Frictional ratio (measured in a CPT test) to calculate the chloride content of soil? Are there any articles that describe this relation? I could not find one. Please help.
  5. aj_k

    Hi, I need to calculate the permea

    Hi, I need to calculate the permeability, k from cone penetration data. The formula I have found is by calculating the soil behaviour type index, Ic , which is calculated from the normalised friction ratio (Fr) and normalised cone resistance (Qt). The equations for calculating Fr =...
  6. aj_k

    Hi, I have an equation, x*e^x

    Hi, I have an equation, x*e^x = c(constant value) How to calculate the value for x? In the internet it says it is based up on Wlfraom equation. And x= W(c) But how to solve it? Does any one know?
  7. aj_k

    Hi, I have an equation which is sh

    Hi, I have an equation which is shown below, which says qc (cone resistance) = ..... Now i need to calculate the effective angle of internal friction from the below formula. So i need to make a new formula which starts with φ'= ...... qc= 1.3 × exp[2π tanφ'] × tan2[(π/4)+ fracφ'2] × σv0 And i...
  8. aj_k

    qb value- unit point bearing

    Hi, Does anyone know how to calculate qb (unit pile base resistance of CPT results) value? qb = unit point bearing,which is then used to calculate the qc values) This qb value is used in Belgium practice. It should be calculated by "De Beer"method. I have searched a lot but i could not get any...
  9. aj_k

    Hi, can a clay layer with a Cu va

    Hi, can a clay layer with a Cu value of 40kpa have a unit weight of 18kn/m2. I have received a geotechnical investigation report with the above-mentioned condition. When I checked with the Eurocode specification tables, it shows that, 1. if the Cu value is 40kpa, then the unit weight should be...
  10. aj_k

    necking in piles

    what can be the possible causes of necking in piles (displacement piles) in clay layer? the clay layer is about 5 metres depth, but the necking was found to be in the top 1.5m depth.

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