International Journal of Geomechanics: Recent submissions
Now showing items 1261-1280 of 4049
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Generalized Lower-Bound Bearing Capacity Analysis of Shallow Inverted Triangular-Based Strip Footings
(ASCE, 2022/10/01)This paper pertains to the finite-element lower-bound bearing capacity analysis of inverted triangular-based strip footings (ITBFs). The solutions are obtained by the construction of a linear stress field that satisfies ... -
Effect of Embedment Depth on the Seismic Bearing Capacity of Strip Footing in Rock Mass
(ASCE, 2022/07/01)This study presents the numerical solution for the seismic bearing capacity of embedded strip footing in Hoek–Brown rock mass. The upper-bound solutions are presented by employing the finite-element limit analysis. The ... -
Geotechnical Strain Localization Analysis Based on Micropolar Continuum Theory Considering Evolution of Internal Characteristic Length
(ASCE, 2022/08/01)Within the framework of second-order cone programming optimized micropolar continuum finite-element method (CosFEM-SOCP), the geotechnical strain localization can be adequately modeled. In most existing literatures, however, ... -
Buried Pipeline Subjected to Underground Blast Load: Closed-Form Analytical Solution
(ASCE, 2022/09/01)The current study derives a closed-form analytical solution of buried pipeline subjected to underground blast load. The solution is derived considering Euler Bernoulli’s beam resting on viscoelastic foundation. In viscoelastic ... -
Coupled Effect of Suction Stress and Unit Weight on the Active Earth Pressure of Unsaturated Backfills
(ASCE, 2022/08/01)In this study, limit equilibrium-based semianalytical solution has been developed to compute the distribution of active pressure and the magnitude and point of application of the total active thrust resulting from unsaturated ... -
Particle Size Effects on the Volumetric Shrinkage of Bentonite–Sand Mixtures
(ASCE, 2022/08/01)Tests were conducted on bentonite–silica fume mixtures (BSFMs) to determine how particle size affects the volumetric shrinkage of bentonite–sand mixtures (BSMs) used as hydraulic barriers in waste disposal facilities. Free ... -
Stability Analyses and Charts for Undrained Slopes with Linearly Increasing Strength and an External Water Surface
(ASCE, 2022/08/01)This paper will present stability analyses and charts to estimate the factor of safety (FS) for partially submerged undrained slopes with linearly increasing strength with depth and unlimited foundation depth. The problem ... -
Mechanical Behaviors of Low-Permeability Sandstone under the Coupled Elastoplastic Damage and Evolved Gas Permeability
(ASCE, 2022/04/19)Low-permeability sandstone generally exists in oil and gas reservoirs. During oil and gas exploitation, reservoir pressure depletion causes significant plastic deformation and damage evolution. In reservoir history matching, ... -
Active Earth Pressure Distribution inside Narrow Backfill Considering Soil-Arching Effect
(ASCE, 2022/07/01)A narrow backfill refers to the limited space behind a retaining wall, constructed in front of an existing structure or rock face. It is known that the use of the classical analytical methods, developed for infinite ... -
Novel Intelligent Approach for the Early Warning of Rainfall-Type Landslides Based on the BRB Model
(ASCE, 2022/10/01)This work attempts to apply belief rule-based (BRB) model in information fusion method to landslides, to improve the accuracy and efficiency for early warning of landslides. Taking a typical rainfall-type landslide as the ... -
Dynamic Response of Granular Flows on a Rigid Barrier: Dense versus Dilute Flow
(ASCE, 2022/07/01)Devastating natural hazards induced by the propagation of extremely rapid, flow-like fragmented rocks can be reduced or even avoided by protective structures in the corresponding danger areas. Such barriers are expected ... -
Application of Methane Hydrate Critical State Soil Model on Multistage Triaxial Tests of Methane Hydrate-Bearing Sediment
(ASCE, 2022/07/01)Natural methane hydrate, as a potential alternative energy source to fossil energy in the 21st century, is found in abundance in deep-water sediments and permafrost regions. During the production of methane gas from these ... -
Mechanical Behavior and Particle Crushing of Carbonate Sand in Simple Shear Tests
(ASCE, 2022/07/01)The mechanical behavior and particle breakage of carbonate sand under a simple shear condition are a concern for many engineers. In this study, simple shear tests were carried out under constant-load and constant-volume ... -
Assessing the Stability of Dip Slopes Based on Analyzing the Stress at a Key Point on the Sliding Surface
(ASCE, 2022/07/07)Dip slopes are often encountered in deep-cut canyons and engineering projects. Such slopes, when they become unstable, commonly undergo bi-planar failure, and this mode of failure tends to produce the widest-ranging effects. ... -
Three-Dimensional Discrete-Element-Method Analysis of Behavior of Geogrid-Reinforced Sand Foundations under Strip Footing
(ASCE, 2022/06/29)This paper presents a three-dimensional discrete numerical analysis associated with the interaction of geogrid and surrounding soils in geogrid-reinforced sand foundations under strip footing. After validating the numerical ... -
Breakage and Morphology of Sands in Drained Shearing
(ASCE, 2022/06/30)Particle breakage and particle shape are two prominent characteristics of carbonate sand. In this study, a series of drained shearing tests with different axial strains and confining pressures were performed to investigate ... -
Experimental and Numerical Study on Pressure Distribution under Screw and Straight Pile in Dense Sand
(ASCE, 2022/06/30)A similar theoretical approach is generally used to estimate the end-bearing capacity of straight and screw piles. However, under similar ground conditions (stress level and bearing-capacity factor) and pile tip area after ... -
NURBS Surface-Altering Optimization for Identifying Critical Slip Surfaces in 3D Slopes
(ASCE, 2022/07/11)The evaluation of slope stability of a three-dimensional slope requires identifying the critical slip surface with the minimum factor of safety, which is a complex optimization problem. Failure to identify the critical ... -
NMR-Based Measurement of AWRC and Prediction of Shear Strength of Unsaturated Soils
(ASCE, 2022/07/07)In recent years, accurate determination of the effective stress factor has been found to be instrumental for classifying the types of pore water and defining the form of their contribution to the unsaturated soil strength. ... -
Statistical Damage Constitutive Model for Anhydrite Rock under Freeze–Thaw Cycles Considering the Residual Strength and Postpeak Stress Dropping Rate
(ASCE, 2022/06/08)The stability of rock engineering in cold regions is deteriorated by the day–night and seasonal freeze–thaw environments. Therefore, it is crucial to develop a damage constitutive model that can effectively describe the ...