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RISExperimental Study on Uplift Mechanisms of Pipes Buried in Sloping Medium Dense Sand
Publisher: ASCE
Abstract: Experiments are conducted to study the uplift behavior of buried pipes in medium dense sand with ground slopings of 0°, 10°, 20°, and varying burial depths. Test results show that the peak uplift resistance reduces with ...
Semianalytical Solution for the Transient Response of One-Dimensional Saturated Multilayered Soil Column
Publisher: ASCE
Abstract: A semianalytical solution was obtained in the time domain directly for the one-dimensional transient response of a saturated multilayered soil column under typical boundary conditions based on Biot theory, which could take ...
Analytical Solutions for Consolidation of Unsaturated Soil with Time-Dependent Boundary Conditions
Publisher: ASCE
Abstract: Unsaturated soil is widely distributed in geotechnical projects, of which the consolidation and settlement are of great importance. Based on the consolidation theory of unsaturated soil, proposed by Fredlund and Hansan, ...
A Modified Wedge-Prism Model for Calculating the Limit Support Pressure of a Shallow Shield Tunnel Face in Unsaturated Sandy Soil
Publisher: American Society of Civil Engineers
Abstract: The limit support pressure significantly influences the stability of the shield tunnel face and deformation control during tunneling. Current research predominantly focuses on soils under dried or saturated conditions. ...
Exact Solutions for Investigating Thermal Response of Saturated Soil Induced by Temperature Change
Publisher: ASCE
Abstract: The analysis of coupled thermo-hydro-mechanical behaviors of porous media is the research focus in diverse areas. In this study, fully coupled symmetric governing equations for thermo-hydro-mechanical process in saturated ...
Remedies for Distortion and False Volume Expansion Problems with Large Rotation in Discontinuous Deformation Analysis
Publisher: ASCE
Abstract: When simulating large rotation, the false volume expansion and elastic distortion problems of the block occurs severely in the original discontinuous deformation analysis (DDA). In this study, a new displacement formula ...
Novel Approach for Generating Homogeneous Samples for Discrete-Element-Method Studies
Publisher: ASCE
Abstract: A novel approach––the modified multilayer method––is proposed for generating homogeneous specimens for discrete-element-method (DEM) studies. The “particle boundary” is introduced at the interface between the layers, and ...
Applicability of the Mindlin Solution from the Perspective of Saturated Soil
Publisher: American Society of Civil Engineers
Abstract: The Mindlin solution is extensively utilized in the field of geotechnical engineering, including settlement computations and assessing the geoenvironmental impacts of shield tunneling and foundation pit excavation. Despite ...
A Semianalytical Solution for the Transient Response of One-Dimensional Unsaturated Single-Layer Porous Media with General Boundary Conditions
Publisher: ASCE
Abstract: According to the governing wave equations for unsaturated porous media, a theoretical model is proposed to obtain the transient response solution of single-layer unsaturated porous media in one-dimensional conditions with ...