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@PHDTHESIS{TafurBances:803640,
      author       = {Tafur Bances, Elias Manuel},
      othercontributors = {Ziegler, Martin and Witt, Karl Josef},
      title        = {{E}in einheitliches {B}emessungsverfahren zur
                      {H}armonisierung von {S}icherheitsnachweisen in der
                      {G}eotechnik},
      school       = {Rheinisch-Westfälische Technische Hochschule Aachen},
      type         = {Dissertation},
      address      = {Aachen},
      reportid     = {RWTH-2020-09812},
      pages        = {1 Online-Ressource (XXXII, 311 Seiten) : Illustrationen,
                      Diagramme},
      year         = {2020},
      note         = {Veröffentlicht auf dem Publikationsserver der RWTH Aachen
                      University; Dissertation, Rheinisch-Westfälische Technische
                      Hochschule Aachen, 2020},
      abstract     = {In Europe, geotechnical designs are permissible according
                      to EN 1997 using different design approaches that differ in
                      the factorization of parameters with partial safety factors.
                      EN 1997 further indicates non-normative recommendations on
                      the partial safety factors as well as calculating models for
                      geotechnical actions and ground resistances. Neither is
                      there a standardized integral procedure to determine
                      representative values of geotechnical parameters. Every
                      country in Europe can thus determine the design approach
                      nationally with its corresponding partial safety factors as
                      well as the calculation models and procedures to determine
                      representative values of geotechnical parameters. This leads
                      to different levels of safety with regard to geotechnical
                      design within Europe. The aim of this work is the
                      formulation of a recommendation for geotechnical design,
                      that consists of a harmonized design approach with
                      corresponding partial safety factors, the calculation models
                      for geotechnical actions und ground resistances as well as a
                      model to determine representative geotechnical parameters.
                      Following an analysis of impact factors on geotechnical
                      design, this study will suggest a design approach indicating
                      one partial safety factor each for the actions, the actions
                      effects, the ground resistances and the geotechnical
                      parameters. In order to determine the partial safety factors
                      and to formulate a model to select representative values for
                      geotechnical parameters, the uncertainties in the selection
                      of parameters occurring in geotechnical design as well as
                      the uncertainty of the calculation models are examined. By
                      doing so, this work will further enlarge upon their
                      modelling with stochastic parameters such as the mean values
                      and the coefficient of variation. The formulated model to
                      select representative values for geotechnical parameters is
                      based on a statistic model and takes into account the
                      uncertainties by means of the coefficient of variation. In
                      the determination of partial safety factors, reliability
                      calculations for typical geotechnical applications are
                      carried out with different boundary conditions and limit
                      states. Additionally, to the resulting partial safety
                      factors, a minimum number of samples for the determination
                      of representative values for geotechnical parameters will be
                      presented as an outcome of this work. Finally, the
                      applicability and acceptance of the formulated
                      recommendation for geotechnical design in Europe will be
                      presented with the help of worked examples. The comparison
                      with the designs of European colleagues and experts applied
                      to selected geotechnical applications shows that the newly
                      formulated recommendation can yield to an average safety
                      level of design results.},
      cin          = {314310},
      ddc          = {624},
      cid          = {$I:(DE-82)314310_20140620$},
      typ          = {PUB:(DE-HGF)11},
      doi          = {10.18154/RWTH-2020-09812},
      url          = {https://publications.rwth-aachen.de/record/803640},
}