The fundamental soil parameter used in Eurocode 7 is the characteristic value X_k, from which the design value X_d is derived. These soil parameters are defined and compared to todays practice. A simple approach is proposed for the determination of the characteristic value. If offers an existing to incorporate experience or judgmental knowledge as well as test values to produce characteristic values X_k. The resulting characteristic values are equally valid using EC7 as well as for today's design methods. The values used in design calculations are termed design values and these are obtained from tests results via derived values and characteristic values.
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