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DEM Analysis of Mechanical Behavior of Unsaturated Silt under Strain-Controlled Constant Stress Ratio Compression Tests
Publisher: ASCE
Abstract: The three-dimensional discrete element method (DEM) is employed to investigate the macro- and microscopic mechanical behaviors of unsaturated silt subjected to one-dimensional (K0) and constant stress ratio loadings. A DEM ...
Efficient Iterative Analytical Model for Underground Seepage around Multiple Tunnels in Semi-Infinite Saturated Media
Publisher: ASCE
Abstract: The construction and long-term use of underwater tunnels suffer from hazards associated with the pore pressure and water inflow. Analytical approaches quickly can predict the seepage field, through which the water inflow ...
DEM Modeling Mechanical Behavior of Unsaturated Structural Loess under Constant Stress Increment Ratio Compression Tests
Publisher: American Society of Civil Engineers
Abstract: This paper presents a numerical investigation into the macromechanical and micromechanical behavior of unsaturated structural loess under constant stress increment ratio compression using the distinct-element method (DEM). ...
Properties of TJ-1 Lunar Soil Simulant
Publisher: American Society of Civil Engineers
Abstract: Tongji-1 lunar soil simulant (TJ-1 for short) was recently invented by Tongji University, China. It could be used to construct testing ground in the preparatory impact tests of lunar landers under the extremely adverse ...
Yielding of Microstructured Geomaterial by Distinct Element Method Analysis
Publisher: American Society of Civil Engineers
Abstract: The purpose of this paper is to present macro- and micro-study on the yielding of microstructured geomaterials by numerical experiments. This target is achieved by carrying out 63 one-dimensional and biaxial compressions ...
Cyclic Behavior of Tianjin Soft Clay under Intermittent Combined-Frequency Cyclic Loading
Publisher: ASCE
Abstract: Subgrade soft clays are subjected to intermittent changeable-frequency cyclic loading and exhibit complex dynamic reactions compared with those under single-frequency cyclic loading. This research proposed a novel testing ...
Undrained Responses of Reconstituted Saturated Soft Clay with Various
Publisher: ASCE
Abstract: The loading stress path affects the soil’s dynamic response, but there are
DEM Analysis of Geomechanical Properties of Cemented Methane Hydrate–Bearing Soils at Different Temperatures and Pressures
Publisher: American Society of Civil Engineers
Wetting-Induced Collapse Behavior of Unsaturated and Structural Loess under Biaxial Tests Using Distinct Element Method
Publisher: American Society of Civil Engineers
Effect of Polyacrylamide on Improvement of Dredger Fill with Vacuum Preloading Method
Publisher: American Society of Civil Engineers
Abstract: Dredger fill possesses undesirable engineering properties due to high water content, compressibility, and low permeability, causing insufficient consolidation and long treatment periods using a vacuum preloading method. ...