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  1. SMetcalfe

    Correlation of SPT & CBR to define subbase requirements for granular?

    Hi, in the absence of CBR results, can anyone guide me to a document / chart where available SPT results of a granular material can be used to obtain an estimated CBR? Thanks Steven
  2. SMetcalfe

    Bearing Capacity calculation for granular material

    Thanks BigH that is really helpful. I used the tables within Tomlinson to obtain the greek values. So which method would you recommend? I don't really understand your second paragraph regarding settlement governing bearing capacity can you give me some more information on this or point me to...
  3. SMetcalfe

    Bearing Capacity calculation for granular material

    Hello, I am having a bit of trouble with a basic bearing capacity calculation; Looking at a 14m dia. foundation founded at 1mbgl on loose granular deposits (N-value of 6, phi of 29degrees). Based on the Brinch Hansen calculation, ignoring shape and depth factors and using a factor of safety of...

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