International Journal of Geomechanics: Recent submissions
Now showing items 1861-1880 of 4049
-
Modified Hierarchical Single-Surface Model for Unsaturated Soils
(ASCE, 10/1/2020 )A user-defined unsaturated modified hierarchical single-surface model is developed. The surface of this modified model is continuous and avoids the problems of multisurface models. The nonassociative flow rule, suction ... -
A New C++ Programming Strategy for Three-Dimensional Sphere Discontinuous Deformation Analysis
(ASCE, 10/1/2020 )A new C++ programming strategy with high modularization and good portability, and a novel data storage format for simultaneous equations with little computer memory consumption, no sorting operation, and simple addressing ... -
Vertical Load Transfer for Bored Piles Buried in Cohesive Intermediate Geomaterials
(ASCE, 10/1/2020 )In developing a vertical load transfer function for bored piles buried in cohesive intermediate geomaterials (IGM), it is essential to understand the shear behavior of the rough sidewall. The interface between the cohesive ... -
Thermal-Stress-Aperture Coupled Model for Analyzing the Thermal Failure of Fractured Rock Mass
(ASCE, 10/1/2020 )When rock is subjected to thermal load, primary fractures in the rock will block the heat conduction and greatly affect the temperature distribution, which in turn modifies the distribution of thermal stress and, hence, ... -
Axial Behavior of Innovative Sand-Coated GFRP Piles in Cohesionless Soil
(ASCE, 10/1/2020 )In pile construction, conventional pile materials such as concrete, steel, and wood are frequently subject to soil–substructure interaction durability problems due to corrosion and deterioration. Fiber-reinforced polymers ... -
Load–Settlement Response and Bearing Capacity of a Surface Footing Located Over a Conduit Buried Within a Soil Slope
(ASCE, 10/1/2020 )Engineers often face challenges when designing foundations that are located over buried structures. This paper presents a laboratory model test investigation of the load–settlement response and the bearing capacity of a ... -
Pseudostatic Approach to Analyze Combined Pile–Raft Foundation
(ASCE, 10/1/2020 )A new simplified approach based on the pseudostatic method of analysis is proposed to investigate the response of a combined pile–raft foundation (CPRF) and a group pile considering the complex interaction. In this method, ... -
Cyclic Behavior of Tianjin Soft Clay under Intermittent Combined-Frequency Cyclic Loading
(ASCE, 10/1/2020 )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 ... -
Semianalytical Solutions for Abutment Piles Under Combined Active and Passive Loading
(ASCE, 10/1/2020 )Abutment piles in soft ground are always subjected to both active loads from upper structures and passive loads from horizontal soft ground displacements; however, theoretical solutions for abutment piles under such combined ... -
Exact Solutions for Investigating Thermal Response of Saturated Soil Induced by Temperature Change
(ASCE, 10/1/2020 )The analysis of coupled thermo-hydro-mechanical behaviors of porous media is the research focus in diverse areas. In this study, fully coupled symmetric governing equations for thermo-hydro-mechanical process in saturated ... -
Ocean Bottom Hydrodynamic Pressure due to Vertical Seismic Motion
(ASCE, 9/1/2020 1)Earthquake-induced hydrodynamic pressure on the ocean floor is a key factor in evaluating the surface disturbance and dynamic response of the seabed under the action of a submarine earthquake. An analytical study considering ... -
Strength and Damage Response of Sandstone and Granodiorite under Different Loading Conditions of Multistage Uniaxial Cyclic Compression
(ASCE, 9/1/2020 1)Understanding the strength and deformation response of hard and soft rocks under cyclic loading is very important for assessing fatigue in rock engineering structures. The effect of cyclic loading on rocks is different and ... -
Insights into the Transport and Fragmentation Characteristics of Earthquake-Induced Rock Avalanche: Numerical Study
(ASCE, 9/1/2020 1)The earthquake-induced rock avalanche in the Tangjia Valley was the most notable geological disaster triggered by the Lushan earthquake in 2013. In order to investigate the transport kinematics and depositional mechanism ... -
Novel Geomechanics Concepts for Earthquake Excitations Applied in Time Domain
(ASCE, 9/1/2020 1)Novel geomechanics concepts for seismic design satisfying the current performance-based seismic design (PBSD) requirements are presented. Issues related to soil conditions are explicitly addressed. To satisfy the underlying ... -
Three-Dimensional Numerical Manifold Method Based on Viscoelastic Constitutive Relation
(ASCE, 9/1/2020 1)In order to accurately and efficiently simulate the dynamic processes of coupled phenomena with viscoelastic, continuous and discontinuous deformations, a three-dimensional (3D) numerical manifold method combining Maxwell's ... -
New Instability Criterion for Stability Analysis of Homogeneous Slopes with Double Strength Reduction
(ASCE, 9/1/2020 1)A new instability criterion based on the critical slope concept and the double strength reduction is proposed to evaluate the stability of slopes. In this method, the critical slope contour is determined by the slip-line ... -
Seepage Characteristics of Triaxial Compression-Induced Fractured Rocks under Varying Confining Pressures
(ASCE, 9/1/2020 1)In water-rich rock masses from underground excavations, the flow pressure and confining pressure significantly affect the seepage properties of the fractured rock induced by complex stress. To understand the seepage mechanism ... -
Tension and Shear Cracks Growth-Based Evolution Model for Creep Characteristics of Brittle Rocks
(ASCE, 10/1/2020 )In brittle rocks, the synergistic expansion of tension and shear cracks has a great influence on the fracture strength under long-term constant compressive loads. Hence, a creep mechanical model based on subcritical crack ... -
Seismic Bearing Capacity of Strip Footings on Ground Reinforced by Stone Columns Using Upper-Bound Solutions
(ASCE, 9/1/2020 1)In this technical note, the seismic bearing capacity coefficients of shallow foundations placed on soft ground reinforced by stone columns are evaluated based on the upper-bound theorem of limit analysis. A kinematically ... -
Hysteresis Model for Soft Cohesive Soils under Combinations of Static and Cyclic Shear Loads
(ASCE, 10/1/2020 )The application of large-amplitude cyclic shear loads on soft soils results in large strains after a certain number of cycles. These strains are highly dependent on static shear load and cause stress–strain relationships ...