International Journal of Geomechanics: Recent submissions
Now showing items 1941-1960 of 4049
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Numerical Modeling of the Lateral Behavior of Concrete-Filled FRP Tube Piles in Sand
(ASCE, 8/1/2020 1)In this study, a numerical model is developed to study concrete-filled FRP tube (CFFT) pile behavior and interactions with foundation soil under lateral loading. The model, based on nonlinear finite element analysis (NFEA) ... -
Novel FBG-Based Effective Stress Cell for Direct Measurement of Effective Stress in Saturated Soil
(ASCE, 8/1/2020 1)In this study, a novel effective stress cell based on fiber Bragg grating (FBG) sensing technology is developed for direct measurement of effective stress in saturated soil. The primary concept of direct measurement is ... -
Investigation of Mesh Improvement in Multimaterial ALE Formulations Using Geotechnical Benchmark Problems
(ASCE, 8/1/2020 1)Two of the mesh-based numerical approaches suitable for geotechnical large deformation problems, the multimaterial arbitrary Lagrangian–Eulerian (MMALE) and the coupled Eulerian–Lagrangian (CEL) methods are investigated. ... -
Longwall Top Coal Caving Mechanisms in the Fractured Thick Coal Seam
(ASCE, 8/1/2020 1)In this study, the finite difference method (FDM) coupled with a discrete fracture network (DFN) was utilized to analyze longwall top coal caving (LTCC) behaviors. The integrated FDM–DFN model enabled the influence of the ... -
Coupled Plasticity and Damage Constitutive Model Considering Residual Shear Strength for Shales
(ASCE, 8/1/2020 1)Shales are the most common materials on the Earth's surface that are frequently encountered in various energy, environmental, and engineering applications. Numerically predicting the mechanical behavior of shales is of ... -
Performance of Footing on Clay Bed Reinforced with Coir Cell Networks
(ASCE, 8/1/2020 1)Geocells are three-dimensional polymeric hexagonal pockets that provide lateral confinement to the soil, thereby increasing the bearing capacity of the soil bed. This paper briefly reviews past studies on geocell reinforcement ... -
Effect of Density, Trace Length, Aperture, and Direction Angle on Permeability Performance of Fracture Networks
(ASCE, 8/1/2020 1)A fractured rock mass was characterized by strong heterogeneity, discontinuity, and anisotropy. The study of flow in a fractured rock mass was a complex and challenging task. As the main seepage channels of a fractured ... -
Behavior of a Pile Group in Multilayered Poroelastic Soils due to a Vertical Loading
(ASCE, 7/1/2020 1)This paper presents a coupled method of the analytical layer element and finite element for investigating the behavior of a pile group with a rigid cap in multilayered poroelastic soils due to a vertical loading. Each pile ... -
Mechanical Performances and Pore Features of Coal Subjected to Heat Treatment in Approximately Vacuum Environment
(ASCE, 7/1/2020 1)The physical and mechanical performances of coal, which does not just depend on the initial mineral composition and structure, are also dominated by the later engineering and geology environments, including high temperature, ... -
Rapid Calculation Method for the Factor of Safety of a Uniform Slope
(ASCE, 7/1/2020 1)The limit equilibrium method (LEM) and the strength reduction method (SRM) are popular tools used for assessing the stability of slopes. However, they require complex numerical geomechanical models to be constructed and ... -
Behavior of Connected and Unconnected Back-to-Back Walls for Bridge Approaches
(ASCE, 7/1/2020 1)Back-to-back mechanically stabilized earth (MSE) walls are commonly used in the construction of transportation infrastructure facilities. Federal Highway Administration (FHWA) guidelines discuss briefly the design of ... -
From Basic Particle Gradation Parameters to Water Retention Curves and Tensile Strength of Unsaturated Granular Soils
(ASCE, 6/1/2020 1)The long-debated effective stress definition of unsaturated soils is believed to be correlated to suction, the degree of saturation, and the less mentioned interfacial areas. The tensile strength of unsaturated soils is ... -
Applicability of Bouc-Wen Model to Capture Asymmetric Behavior of Sand at High Cyclic Shear Strain
(ASCE, 6/1/2020 1)Seismic response evaluation of the site of interest subjected to a bedrock motion is one of the most important problems in earthquake geotechnical engineering. For one-dimensional (1D) nonlinear site response analysis in ... -
Multilaminate Mathematical Framework for Analyzing the Deformation of Coarse Granular Materials
(ASCE, 6/1/2020 1)Coarse granular materials such as railway ballast and rockfill are often subjected to three-dimensional (3D) stress conditions including the influence of intermediate principal stress. Modeling the deformation and breakage ... -
A Series of Semianalytical Solutions of One-Dimensional Consolidation in Unsaturated Soils
(ASCE, 6/1/2020 1)This study presents a new series of semianalytical solutions of Fredlund and Hasan's one-dimensional consolidation equations for unsaturated soils under a variety of boundary conditions. The Laplace transform was adopted ... -
Discretization-Based Kinematic Analysis Method to Seismic Stability of Geosynthetic-Reinforced Slopes Involving Differing Earthquake Approaches
(ASCE, 7/1/2020 1)For soil slopes susceptible to a potential failure, some preemptive measures in the form of reinforced structures are commonly adopted to improve stability. In this study, the seismic stability of a geosynthetic-reinforced ... -
Field Tests on Axial Behavior of Grouted Steel Pipe Micropiles in Marine Soft Clay
(ASCE, 6/1/2020 1)This paper presents full-scale field tests of grouted steel pipe micropile embedded in marine soft clay under compressive and tensile loads. The load-displacement responses, axial forces, tip resistance, and unit skin ... -
Use of Soil–Cement Bed to Improve Bearing Capacity of Stone Columns
(ASCE, 6/1/2020 1)Stone columns are normally used to improve the bearing capacity and reduce the compressibility of soft clayey soil. However, with the application of vertical load, stone columns bulge, and thereby possess limits to levels ... -
Performance of a Combined Retaining Wall Structure Supporting a High Embankment on a Steep Slope: Case Study
(ASCE, 6/1/2020 1)A combined retaining structure (CRS) that consists of numerous piles, a concrete platform, and a gravity retaining wall was built to support a high embankment constructed on a steep slope. In this study, the behavior of ... -
Experimental and Theoretical Investigations on Evolution of Soil-Arching Effect in 2D Trapdoor Problem
(ASCE, 6/1/2020 1)Soil arching effect has been widely recognized as one of the most critical factors governing load-transfer mechanism in the design of various geotechnical infrastructures. However, most existing studies on soil arching ...