Analyzing Uncertainty in Civil Engineering Book

This Book addresses the issue of uncertainty in civil engineering from design to construction. Failures do occur in practice. Attributing them to a residual risk or a faulty execution of the project does not properly cover the range of causes. A closer scrutiny of the design, the engineering model, the data, the soil-structure-interaction and the model assumptions is required. Usually, the uncertainties in initial and boundary conditions as well as material parameters are abundant. Current engineering practice often leaves these issues aside, despite the fact that new scientific tools have been developed in the past decades that allow a rational description of uncertainties of all kinds, from model uncertainty to data uncertainty.

It is the aim of this volume to have a critical look at current engineering risk concepts in order to raise awareness of uncertainty in numerical computations, shortcomings of a strictly probabilistic safety concept, geotechnical models of failure mechanisms and their implications for construction management, execution, and the juristic question as to who has to take responsibility. In addition, a number of the new procedures for modelling uncertainty are explained.

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Title of the Book

Analyzing Uncertainty in Civil Engineering

Authors of the Book

W. Fellin, H. Lessmann, M. Oberguaggenberger, R. Vieider

Contents of the Book

Assessment of characteristic shear strength parameters of soil and its implication in geotechnical design
Ambiguity of safety definition in geotechnical models
The fuzziness and sensitivity of failure probabilities
The mathematics of uncertainty models, methods and interpretations
Multi-parameter models : rules and computational methods for combining uncertainty
Sensitivity analysis
Difficulties related to numerical predictions of deformations
FE ultimate load analysis of pile-supported pipelines – tackling uncertainty in a real design problem
The implications of geotechnical model uncertainty for construction management
Fuzzy probabilistic and stochastic modeling of an elastically bedded beam
Queueing model with fuzzy data in construction management
Fuzzy models in geotechnical engineering and construction management

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Analyzing Uncertainty in Civil Engineering Book