International Journal of Geomechanics: Recent submissions
Now showing items 1801-1820 of 4049
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3D Spectral Element Solution of Multilayered Half-Space Medium with Harmonic Moving Load: Effect of Layer, Interlayer, and Loading Properties on Dynamic Response of Medium
(ASCE, 12/1/2020 )The road pavement is a typical three-dimensional (3D) multilayered half-space medium, which consists of the surface courses, base courses, and soil subgrade/foundation. It is critical to understand the dynamic response of ... -
Three-Dimensional Stability Analysis of Bank Slopes with Reservoir Drawdown Based on Rigorous Limit Equilibrium Method
(ASCE, 12/1/2020 )The fluctuation of reservoir water levels has significant impact on bank slope stability near a reservoir. Therefore, it is necessary to analyze the stability of bank slopes with reservoir drawdown. In this paper, a novel ... -
Evaluation of Seismic Soil–Structure Interaction of Full-Scale Grouped Helical Piles in Dense Sand
(ASCE, 12/1/2020 )A full-scale shake table testing program was performed with two helical pile groups supporting model structures to better understand the dynamic properties of a soil–pile-group–structure system. Each group had four piles ... -
Closed-Form Solution to the Poromechanics of Deep Arbitrary-Shaped Openings Subjected to Rock Mass Alteration
(ASCE, 12/1/2020 )The aim of this paper is to propose a closed-form solution to the poromechanics problem of stress and pore pressure distribution around noncircular openings at great depth subjected to hydrostatic water pressure and far-field ... -
Three-Dimensional Lower and Upper Bound Analyses of Pile Systems
(ASCE, 12/1/2020 )The objective of this paper is to present simplified methods for determining the three-dimensional (3D) system capacities of pile foundations based on the lower and upper bound theorems of plasticity. The failure surface ... -
Application of Discrete-Element Numerical Simulation for Calculating the Stability of Dangerous Rock Mass: A Case Study
(ASCE, 12/1/2020 )An unstable rock mass is a common geological hazard in water conservancy and hydropower engineering in southwest China. The mechanical properties of a rock mass joint and the internal and external physical environment are ... -
Effect of Fiber Reinforcement on Mechanical Behavior of Alkali-Activated Binder-Treated Expansive Soil: Reliability-Based Approach
(ASCE, 12/1/2020 )Expansive black cotton soil (BCS) exhibits volumetric instability when exposed to moisture fluctuation, rendering loss of geomechanical strength. The present paper evaluates the effectiveness of stabilizing BCS with two ... -
Comprehensive Influence Analysis of Multiple Parameters on the Safety Thickness against Water Inrush in Shield Tunnel
(ASCE, 12/1/2020 )This paper focuses on the construction of urban rail transit projects to prevent the risk of water inrush disasters faced during subway construction in cities with abundant groundwater and well-developed karst landforms. ... -
Experimental Investigation and Numerical Analyses for Red Sandstone Rock Fragmentation
(ASCE, 12/1/2020 )The effects of initial stress conditions and rock breaking parameters on rock fragmentation were investigated through indentation tests and numerical analysis with a discrete element method (DEM). Different initial stress ... -
Critical Factors in Subgrade Rutting Failures of Airfield Mats over Soft Soils under Static Loading
(ASCE, 12/1/2020 )Subgrade rutting failures in matting structures present a unique challenge in expedient airfields. Mats are often constructed over existing soft subgrades and can experience aircraft with large gross loads and high tire ... -
Estimation of Active Earth Pressure Against Rigid Retaining Walls Considering Soil Arching Effects and Intermediate Principal Stress
(ASCE, 11/1/2020 )In this study, a novel analytical approach is proposed for the calculation of active earth pressure on rigid retaining walls considering the influence of intermediate principal stress and soil arching effects. According ... -
Effect of Swell–Shrink Cycles on Volumetric Behavior of Compacted Expansive Clay Stabilized Using Lime
(ASCE, 11/1/2020 )In practice, it is quite common for soils to be mixed and compacted at moisture contents lower than the optimum moisture content (OMC) or lime content less than the optimum lime content (OLC). This study investigates the ... -
Caissons in Cohesionless Soils Considering 3D Wedge under Earthquake Loading
(ASCE, 12/1/2020 )Ultimate soil resistance that acts on a seismically induced caisson foundation and its distribution along the caisson height have been formulated by considering passive wedge failure analysis for both dry and submerged ... -
Theoretical Analysis of the Joint Leakage in Shield Tunnel Considering the Typical Deformation Mode
(ASCE, 12/1/2020 )The joint leakage in a shield tunnel is a common defect and difficult to be accurately quantified due to the complex deformation mode and stress state, which seriously threatens the service performance of the tunnel lining. ... -
Remedies for Distortion and False Volume Expansion Problems with Large Rotation in Discontinuous Deformation Analysis
(ASCE, 11/1/2020 )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 ... -
Failure and Deformation Mechanisms of Vertical Plate Anchors Subjected to Lateral Loading in Sand
(ASCE, 11/1/2020 )This paper presents an experimental study on the pullout behavior of a vertical plate anchor buried in sand under lateral loading, using the digital image correlation (DIC) technique. Based on image analysis, the influences ... -
Bearing Capacity of Strip Footings Adjacent to Anisotropic Slopes Using the Lower Bound Finite Element Method
(ASCE, 11/1/2020 )Overlooking the anisotropic behavior of soil with directional shear strength parameters can lead to unrealistic estimation of the actual limit load. This research is focused on the effect of the shear strength anisotropy ... -
Effect of Curing Stress on Compression Behavior of Cement-Treated Dredged Sediment
(ASCE, 11/1/2020 )The curing stress is an important parameter affecting the mechanical properties of the cement-treated soil. This paper presents the effects of curing stress on the compressive and physical properties of the cement-treated ... -
Development of a Modeling Method and Parametric Study of Seepage-Induced Erosion in Clayey Gravel
(ASCE, 12/1/2020 )The aim of this study is to develop a method to simulate the behaviors of clayey gravel during water erosion by using computational fluid dynamics–discrete element method. The fluid phase was solved using the “fixed ... -
Experimental Study on the Propagation of Low-Velocity Impact Waves in Sand Using Particle Image Velocimetry
(ASCE, 11/1/2020 )Particle image velocimetry (PIV) is a hybrid experimental–digital technique that allows for the noncontact measurement of the displacements and strains in granular media. It has seen widespread applications in the laboratory ...