Titlebook: Analyzing Uncertainty in Civil Engineering; Wolfgang Fellin,Heimo Lessmann,Robert Vieider Book 2005 Springer-Verlag Berlin Heidelberg 2005

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Assessment of characteristic shear strength parameters of soil and its implication in geotechnical ious estimates of the soil parameters affecting the limit state. It is shown how geotechnical engineers interpret this cautious estimate. Due to the inherent lack of data in geotechnical investigations there is always a certain degree of subjectivity in assessing the characteristic soil parameters.

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Ambiguity of safety definition in geotechnical models,r equal one defines the limit state. Safety factor greater than one identifies safe conditions. This paper shows with the help of a simple example that the value of the safety number depends on the used mechanical model and the definition of safety within this model. This means that the value of the