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RISReliability Analysis of Circular Tunnel Face Stability Obeying Hoek–Brown Failure Criterion Considering Different Distribution Types and Correlation Structures
Publisher: American Society of Civil Engineers
Abstract: A reliability analysis is presented of a circular tunnel face driven by a pressurized shield in a highly fractured Hoek–Brown (HB) rock mass. A limit analysis approach is employed to define a limit state function (LSF) ...
Reliability Analysis of Circular Tunnel Face Stability Obeying Hoek–Brown Failure Criterion Considering Different Distribution Types and Correlation Structures
Publisher: American Society of Civil Engineers
Abstract: A reliability analysis is presented of a circular tunnel face driven by a pressurized shield in a highly fractured Hoek–Brown (HB) rock mass. A limit analysis approach is employed to define a limit state function (LSF) ...
Determination of Critical Slip Surfaces Using Mutative Scale Chaos Optimization
Publisher: American Society of Civil Engineers
Abstract: Limit equilibrium is a common method used to analyze the stability of a slope, and minimization of the factor of safety or identification of critical slip surfaces is a classical geotechnical problem in the context of limit ...
Bayesian Updating of Bearing Capacity Models for Individual Stone Columns
Publisher: American Society of Civil Engineers
Abstract: Stone columns are often employed to increase the bearing capacity of soft clay. Many models—for instance based on plasticity theory or on statistical analysis of empirical data—have been proposed to estimate their bearing ...