International Journal of Geomechanics: Recent submissions
Now showing items 2301-2320 of 4049
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Evaluating Influence of Thickness and Interface Bonding on Overlay Service Life Using 3D FEM
(American Society of Civil Engineers, 2019)The use of structural and nonstructural overlays has gained popularity in recent years due to financial and environmental constraints; however, the impact of overlay thickness and the type of applied tack coat on induced ... -
Testing and Constitutive Modeling of Lime-Stabilized Collapsible Loess. I: Experimental Investigations
(American Society of Civil Engineers, 2019)Aeolian loess deposits are among problematic collapsible soils whose substantial settlements due to the increase in moisture content, stress level, or a combination of both, frequently cause serious structural failures, ... -
Performance Assessment of the Complex Seepage-Control System at the Lu Dila Hydropower Station in China
(American Society of Civil Engineers, 2019)The Lu Dila hydropower station has a complex geologic structure, given that it has a larger fault scale, exhibits large dam-site orientation changes, and has a more developed fissure in the dam foundation and riverbed. The ... -
Effects of Finite Strains in Fully Coupled 3D Geomechanical Simulations
(American Society of Civil Engineers, 2019)Numerical modeling of geomechanical phenomena and geo-engineering problems often involves complex issues related to several variables and corresponding coupling effects. Under certain circumstances, both soil and rock may ... -
Numerical Investigation of Wraparound Geotextile Reinforcement Technique for Strengthening Foundation Soil
(American Society of Civil Engineers, 2019)In the recent past, geotextile reinforcement with wraparound ends has been recommended to strengthen foundation soil to enhance the effectiveness of using the reinforcement. This study investigated the effects of reinforcement ... -
Stability of Circular Tunnels in Clay with an Overlay of Sand
(American Society of Civil Engineers, 2019)In the present study, numerical solutions have been developed to determine the internal compressive normal pressure required to be offered by the support system for maintaining the stability of long, circular tunnels located ... -
Simplified 1D Empirical Model for Volumetric Behavior of High-Carbonate Clay
(American Society of Civil Engineers, 2019)Guadalquivir blue marl is a high-plasticity overconsolidated carbonate clay. This soil presents an elevated fragility and high susceptibility to moisture changes. These characteristics have caused many geotechnical accidents, ... -
Frequency-Dependent Analytical Model for Ballasted Rail-Track Systems Subjected to Moving Load
(American Society of Civil Engineers, 2019)A new frequency-dependent analytical model of railway substructure stiffness is proposed for analyzing ballasted rail-track systems subjected to motion-induced dynamic loading. The proposed model incorporates the effects ... -
Implementation of the Critical Unstable Condition in Extended Finite-Element Analysis to Calculate the Safety Factor of a Predefined Slip Surface
(American Society of Civil Engineers, 2019)This study incorporated the critical unstable condition into extended finite-element analysis to determine the safety factor of a slip surface that is regarded as a discontinuity embedded into the slope mesh. The displacement ... -
Experimental Study on Creep Behavior in Oedometer Tests of Reconstituted Soft Clays
(American Society of Civil Engineers, 2019)The creep behavior of soft clays is essential in evaluating the long-term deformation of foundations. Because this behavior of naturally deposited clays is very complex as a result of their structures, loading history, and ... -
Soil-Slope Stability considering Effect of Soil-Strength Nonlinearity
(American Society of Civil Engineers, 2019)To estimate the factor of safety of soil slopes, the discretization technique is widely used to generate the critical slip surface under the linear Mohr-Coulomb failure criterion. However, the strength envelope of almost ... -
3D Numerical Modeling of a Piled Embankment under Cyclic Loading
(American Society of Civil Engineers, 2019)Embankments over pile-reinforced soft soil (called piled embankments) are known as one of the interesting techniques for soft soil improvement. They have been broadly applied in infrastructure projects thanks to their ... -
Critical-State Fractional Model and Its Numerical Scheme for Isotropic Granular Soil Considering State Dependence
(American Society of Civil Engineers, 2019)Many elastoplastic models have been proposed to model the stress–strain behavior of granular soils. However, due to the dependence of stress-dilatancy on the material state, different model parameters are often needed to ... -
Numerical Investigation of Hard Rock Strength and Fracturing under Polyaxial Compression Based on Mogi-Coulomb Failure Criterion
(American Society of Civil Engineers, 2019)Failure characteristics of rocks under polyaxial compression have been the subject of extensive laboratory testing, although a limited amount of literature is published on the numerical simulation of rock failure under ... -
Estimation of Robustness of Time Integration Algorithms for Elasto-Viscoplastic Modeling of Soils
(American Society of Civil Engineers, 2019)Time integration with stress–strain updating is a key step for the application of elasto-viscoplastic models to engineering practice. Currently, the estimation robustness of algorithms is lacking, which poses difficulties ... -
Practice of Searching a Noncircular Critical Slip Surface in a Slope with Soil Variability
(American Society of Civil Engineers, 2019)An improved approach is proposed here for searching the global noncircular critical slip surface in a slope with soil variability. To avoid the local minimum, the proposed approach combines a readily available optimization ... -
Discussion of “Progressive Development of Two-Dimensional Soil Arching with Displacement” by Jie Han, Fei Wang, Mahdi Al-Naddaf, and Chao Xu
(American Society of Civil Engineers, 2019) -
Closure to “Progressive Development of Two-Dimensional Soil Arching with Displacement” by Jie Han, Fei Wang, Mahdi Al-Naddaf, and Chao Xu
(American Society of Civil Engineers, 2019) -
Influence of Asperity Morphology on Failure Characteristics and Shear Strength Properties of Rock Joints under Direct Shear Tests
(American Society of Civil Engineers, 2019)The asperity morphology has profound influences on the failure characteristics and shear strength of rock joints. To investigate these influences, degradation characteristics and mechanical properties were studied based ... -
Particle-Scale Mechanisms in Undrained Triaxial Compression of Biocemented Sands: Insights from 3D DEM Simulations with Flexible Boundary
(American Society of Civil Engineers, 2019)A three-dimensional (3D) discrete element method (DEM)-based numerical model is used to simulate the macromechanical response of sand strengthened using microbially induced carbonate precipitation (MICP) under undrained ...