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  1. italicus

    Bearing capacity on medium conditions soils

    I've read the chapter of R.W. DAY Geotech. Earthqk. Eng. Hanndbk. about bearing capacity, an I've a doubt. Surely for dense (DR>65%) to very dense granular soils is applicable the rule of tumb of increase of one third the bearing capacity in seismic analisys. And for loose (DR<35%) soils is...
  2. italicus

    Vs30 & Nspt

    In Italy will be mandatory to determine Vs30 for projects. It will be admitted the use of SPT values to deterimine Vs30. 1) I' dont understand why according to USA, Nehrp, Nspt values are not to be corrected? Neither to (N60)ER. There are other raccomandations well explained ? 2) When is...
  3. italicus

    DP SPT for weak rock

    Anybody can tell me about correlation for weak or fractured rock investigated by DP or SPT I've found only pressuremeter menard, Plim=spt/20, from Doix & Bustamente for non fractured marl and similar. Thanks

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