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  1. Hex_D

    Increase in vertical stress for flexible footing by Janbu, Bjerrum & Kjaernsli

    @BigH , Thankyou ever so much for your input and very useful reference. Unless I've missed it it appears that the literature omits the `Janbu chart formula. Newarks work is covered in chapter 3 however which is similar but I don't think that is quite what I'm looking for. Thanks!
  2. Hex_D

    Increase in vertical stress for flexible footing by Janbu, Bjerrum & Kjaernsli

    Hello all - I hope all are doing well. I'm looking for some guidance on the chart by Janbu, Bjerrum & Kjaernsli which shows the increase in vertical stress for flexible footing for various z/B ratio against L/B ratio. I would like to re-create the equation to calculate the value shown on the...
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