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  1. ArranB

    Equate CBR value to kN/m2

    Thanks. This what I thought when working it through, but they made me second guess myself.
  2. ArranB

    Equate CBR value to kN/m2

    Hi folks, I've been asked by a contractor to determine via CBR if the ground is suitable to take a crane load. The crane load is given by the manufacturer in kN/m2. The information they want is 'if you achieve x CBR value the ground can support the crane load (135kN/m2). How would I go about...
  3. ArranB

    Help. Tekla Structural Designer Ground Stiffness

    Thanks for the speedy response and help. The higher ground stiffness figure causes the foundations to fail in bearing. So for example at 12000kN/m2/m the foundations fail in bearing by a ratio of about 1.5. At 1000kN/m2/m they pass in the bearing with a ratio of 0.9. GBP is 80kN/m2. It...
  4. ArranB

    Help. Tekla Structural Designer Ground Stiffness

    HI All, First time posting here. I've got an issue with Tekla Structural Designer that i was hoping somebody had experience with. I'm designing a ring beam foundation using the mat feature and one of the properties is 'ground stiffness'. Now I've inputted a spring linear stiffness of...

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