International Journal of Geomechanics: Recent submissions
Now showing items 1621-1640 of 4049
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Triaxial Discrete Element Simulation of Soil–Rock Mixture with Different Rock Particle Shapes under Rigid and Flexible Loading Modes
(ASCE, 8/1/2021)Three-dimensional scanning technology was used to construct the database of natural block stone shapes with different particle sizes. On the basis of Particle Flow Code 3D, a discrete element random model of soil–rock ... -
Estimation of Strength Development of Cement-Stabilized Clayey Soils with Activity Number, Liquid Limit, and Apparent Void Ratio
(ASCE, 8/1/2021)Cement stabilization is a soil improvement technique widely adopted for soft soils. The extent of improvement to the physical properties varies largely with soil type and often requires laborious laboratory tests to ascertain ... -
Generalized Interaction Diagrams for Caisson Foundations in Layered Soil under Seismic Conditions
(ASCE, 8/1/2021)Caissons are rigid foundations most commonly used to support bridge piers. In this study, numerical analysis using the finite-element method based computer program ABAQUS was carried out to study the response of caissons ... -
Influence of Particle Breakage on Drained Shear Strength of Calcareous Sands
(ASCE, 7/1/2021)The consolidated drained triaxial shear tests have been performed in this work to investigate the shearing behavior of calcareous sands sampled from the South China Sea, with the focus on analyzing the influence of particle ... -
New Technique for Ground Vibration Mitigation by Horizontally Buried Hollow Pipes
(ASCE, 7/1/2021)Mitigating the ground vibration initiated by the passage of trains to safeguard the surrounding structures is a challenge for geotechnical engineers. Among various existing methods, open trenches are one of the most common ... -
Three-Dimensional Analysis of Nonlinear Pile–Soil Interaction Responses Using 3D Pile Element Model
(ASCE, 8/1/2021)Due to the complicated geological conditions and complex loads, the pile–soil interaction is a three-dimensional (3D) and highly nonlinear problem. Conventional numerical models have deficiencies to model the nonlinear ... -
Microstructure Quantification, Characterization, and Regional Variation in the Ma Lan Loess on the Loess Plateau in China
(ASCE, 8/1/2021)The Ma Lan loess is a typical structural soil due to its water sensitivity, collapsibility, and seismic vulnerability. In this study, Ma Lan loess samples were extracted from 17 sites distributed on the Loess Plateau, and ... -
Deep Convolutional Neural Network-Based Method for Strength Parameter Prediction of Jointed Rock Mass Using Drilling Logging Data
(ASCE, 7/1/2021)Field evaluation of the strength properties of jointed rock masses is a challenging task in geotechnical engineering. Typically, laboratory tests using small jointed specimens have difficulty determining the strength ... -
Analytical Study of Forces on a Glass Sphere under the Effects of Fluid's Viscosity, pH, and Ionic Strength for Flow-Induced Particle Mobilization
(ASCE, 7/1/2021)This paper presents an analytical study on the roles of fluid viscosity, pH, and ionic strength in the variations of the interparticle forces and the force equilibrium of a spherical particle resting on a particle bed. The ... -
Experimental Study on the Applicability of Failure Criteria for Rockfill in Three-Dimensional Stress Conditions
(ASCE, 7/1/2021)Using local materials to build rockfill dam favors the natural resources, but the strength characteristics of rockfill are quite different for each project, which makes it necessary to explore the applicability of failure ... -
Nonlinear Creep Model for Rocks Considering Damage Evolution Based on the Modified Nishihara Model
(ASCE, 8/1/2021)In general, the microdefects in rocks obey Weibull distribution. Based on the laws of statistics of microdefects in rocks, the relationship between the damage and the strain is established. Moreover, by considering ... -
Experimental Evaluation and Stress–Fractional Modeling of the State-Dependent Behavior of Rockfill
(ASCE, 7/1/2021)As one of the main filled materials of the Lianghekou (LHK) rockfill dam, the strength and deformation characteristics of LHK rockfill is of great interest for hydraulic and geotechnical engineers. Correct interpretation ... -
Microscopic Pore Structure and Improved Permeability Characterization of CO<sub>x</sub> Argillite Based on SEM Images
(ASCE, 8/1/2021)Permeability is one of the important parameters to evaluate the long-term sealing performance of Callovo-Oxfordian (COx) argillite for high-level radioactive waste repository. In this study, scanning electron microscope ... -
DEM Study on Particle Shape Evolution during Crushing of Granular Materials
(ASCE, 7/1/2021)Discrete element method (DEM) is widely used to simulate particle crushing, and the simulation results are further utilized for devising constitutive models for soils and rocks. However, particle shape evolution during the ... -
Limiting Force Profile for Laterally Loaded Piles in Undrained Clay
(ASCE, 8/1/2021)This paper investigates the limiting force profile (LFP) for laterally loaded piles embedded in undrained clay. Based on the three- and two-dimensional finite-element limit analysis (FELA), the failure mechanisms and methods ... -
Theoretical Solution for Cavity Expansion in Crushable Soil
(ASCE, 7/1/2021)This paper proposed a theoretical solution for cavity expansion in crushable soils. The constitutive relations of the crushable soils were described by the breakage mechanics model that explains the grain crushing induced ... -
Predicting Pore-Water Pressure in Front of a TBM Using a Deep Learning Approach
(ASCE, 8/1/2021)When tunneling with a tunnel boring machine (TBM) in permeable soil, excess pore-water pressure are inevitably generated in the soil surrounding the TBM. Because excess pore-water pressure reduce the effective face support ... -
Element Failure Probability of Soil Slope under Consideration of Random Groundwater Level
(ASCE, 7/1/2021)The instability of soil slopes is directly related to the shear parameters of the soil material and groundwater, which usually causes some uncertainty. In this study, a novel method, the element failure probability method ... -
Theoretical Solution for Long-Term Settlement of a Large Step-Tapered Hollow Pile in Karst Topography
(ASCE, 8/1/2021)The large step-tapered hollow (LSTH) pile is an invented foundation solution for critical infrastructures overlying difficult geological profiles. In this paper, the time-dependent load-transfer model and the theoretical ... -
Mechanical Behavior of Sandstone Pressurized with Supercritical CO<sub>2</sub> and Water under Different Confining Pressure Conditions
(ASCE, 7/1/2021)Understanding the mechanical behavior of a reservoir rock within the CO2-injection zone is essential for the safety of CO2 geological storage (CGS). The water saturation of the reservoir rock could be changed with the ...