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RISStability Analyses of Shallow Rectangular Tunnels in Anisotropic and Nonhomogeneous Soils Using a Kinematic Approach
Publisher: American Society of Civil Engineers
Abstract: Conducting soil stability assessments around tunnels has always been a concern. However, most existing studies have regarded soil as an isotropic and homogeneous material. To overcome this limitation, within the framework ...
Closed-Form Solution for Cavity Expansion in Strain-Softening and Undrained Soil Mass Based on the Unified Strength Failure Criterion
Publisher: American Society of Civil Engineers
Simplified Approach for Settlement Analysis of Vertically Loaded Pile
Publisher: American Society of Civil Engineers
Abstract: This paper investigates a new and simplified nonlinear approach considering the softening effect of the soil–pile interface to predict the settlement of a single pile and a pile group. The approach adopts a nonlinear model ...
Stability Analysis of Pressurized 3D Tunnel Face with Tensile Strength Cutoff
Publisher: ASCE
Abstract: The aim of this study is to propose an effective approach to evaluate the stability of a shield tunnel face with tensile strength cutoff by using the upper-bound limit analysis method. Based on the discretization and “point ...
Three-Dimensional Active and Passive Seismic Stability Analysis of Shallow Shield Tunnel Faces
Publisher: American Society of Civil Engineers
Abstract: Comprehensive assessment of the active/passive seismic stability of shallow tunnel faces is an urgent and complex task. This work establishes a promising three-dimensional (3D) approach using upper-bound limit analysis to ...
Closed-Form Solution for Undrained Cavity Expansion in Anisotropic Soil Mass Based on Spatially Mobilized Plane Failure Criterion
Publisher: American Society of Civil Engineers
Abstract: A closed-form solution for the undrained cavity expansion problem in an anisotropic soil mass is investigated based on the spatially mobilized plane (SMP) model in this study. Stress and strain around the cavity are ...
3D Discretized Rotational Failure Mechanism for Slope Stability Analysis
Publisher: ASCE
Abstract: The kinematical approach of limit analysis has been historically employed to assess slope stability in the geotechnical community, for which most three-dimensional (3D) failure mechanisms are generally based on a composite ...
Earth Pressure Estimation of Undrained Soil–Wall Systems with Head Rotation
Publisher: ASCE
Abstract: Semianalytical or analytical models for calculating active and passive earth pressure coefficients for undrained soil–wall systems subjected to head rotation are rare. To fill this gap, this study proposes a semianalytical ...
A Semianalytical Model for Three-Dimensional Stability Analysis of Potentially Rotational Slopes in Unsaturated Soils
Publisher: ASCE
Abstract: Stability analysis of slopes subjected to steady infiltration is a hot topic in geotechnical engineering. However, the existing three-dimensional (3D) upper-bound limit analyses of unsaturated rotational slopes failed to ...
Semianalytical Solutions for Elastic–Brittle–Plastic Surrounding Rock under Biaxial In Situ Stress Field Based on Unified Strength Criterion
Publisher: ASCE
Abstract: Semianalytical solutions for circular tunnels under biaxial in situ stress fields are developed in this study. The surrounding rock is assumed to behave as an elastic–brittle–plastic model and is characterized by the unified ...