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  1. madc

    CBR correlations

    Thanks, I am actually thinking about what I could do in the field other than the CBR as I'm expecting the ground conditions to consist of a mixture of gravel and cobbles (plus 20mm), so it may not be possible to carry out an in-situ CBR. By substituting a DCP (which I think is generaly just used...
  2. madc

    CBR correlations

    I want to obtain in-situ CBR values in ground that is likely to comprise +20mm material. Does anyone know of any in-situ tests that could be used instead and then correlated back to a CBR value?
  3. madc

    Vibration monitoring due to piles driven near burried pipelines

    Have a look at "Ground-borne vibrations arising from piling" CIRIA Technical Note 142 isbn 0860173518. There is also a British Steel note "Control of vibration and noise during piling" but I'm afraid I only have a copy of it and no other reference.
  4. madc

    typical vane shear test results

    ISBN 0-7273-0317-1 You could also try BS8004:1986 Code of practice for Foundations (British Standard - not sure where you are!)
  5. madc

    typical vane shear test results

    The vane shear test is only really suitable for use on clays to determine the undrained strength of the saturated clay. A good reference for varying types of clays and their undrained shear strengths is Correlations of Soil Properties, Carter and Bentley, Section 6, Tables 6.1 and 6.2. Hope this...
  6. madc

    Railway loading in slope stability problems

    Thanks for all the responses, I find it amazing that responses were so quick and helpful! I have found a document, Design of Earthworks and Earthwork Remediations (RT/CE/S/071), which states that design should take into account a nominal 50kN/m2 surcharge loading 2600mm wide and unlimited...
  7. madc

    Railway loading in slope stability problems

    Thanks for the reply, unfortunatley I am based in the UK and the reference is not something I can come across easily, and a google search is no help!
  8. madc

    Railway loading in slope stability problems

    I am carrying out a slope stability analysis for a railway embankment. I want to model the loading of the trains but am not sure if a point load is the most appropriate to use. Someone has suggested using seismic loading? Does anyone have any thoughts? Thanks in advance.

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