International Journal of Geomechanics: Recent submissions
Now showing items 1581-1600 of 4049
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Analytical Solutions for Three-Wedge Stability with Vertical Wedge Interfaces
(ASCE, 10/1/2021)A force-based limit equilibrium analysis is presented for the stability of a two-dimensional, three-wedge sliding mass of soil with vertical interfaces between the wedges. The analysis is conducted using five failure planes ... -
Unsaturated 3D Column Method: New Method for Evaluation of Stability of Unsaturated Slopes Subjected to Vertical Steady-State Infiltration and Evaporation
(ASCE, 10/1/2021)A new analytical method for investigating the stability of unsaturated soil slopes was developed by considering a 3D failure wedge under different steady-state infiltration and evaporation. In this light, the general limit ... -
Modeling Effects of Moisture on Particle Breakage
(ASCE, 9/1/2021)The recently developed framework for modeling grain breakage in granular materials is shown to be valid for saturated/unsaturated conditions. The model describes the initiation, development, and stabilization of breakage ... -
Improved Vacuum Preloading Method Combined with Sand Sandwich Structure for Consolidation of Dredged Clay-Slurry Fill and Original Marine Soft Clay
(ASCE, 10/1/2021)An improved vacuum preloading method combined with a sand sandwich structure (SSS) was developed to facilitate the consolidation of dredged clay-slurry fill and original soft marine clay for land reclamation. In this method, ... -
Liquid-Bridge Contact Model of Unsaturated Granular Materials and its Application in Discrete-Element Method
(ASCE, 9/1/2021)In the past, the capillary effect is rarely considered for microcontact models when two adjacent particles are separated by a certain distance. In this paper, a liquid-bridge contact model of unsaturated particles is ... -
Analytical Solution to Cylindrical Cavity Expansion in Mohr–Coulomb Soils Subject to Biaxial Stress Condition
(ASCE, 9/1/2021)In this paper, a semianalytical approach is presented to formulate an excavated cavity in Mohr–Coulomb soils subject to biaxial initial stresses. The response of cavity expansion within the plastic region was investigated ... -
Protection of Buried Utilities against Repeated Loading: Application of Geogrid-EPS Geofoam System
(ASCE, 9/1/2021)Expanded polystyrene (EPS) geofoam is commonly used as lightweight fill materials in wide range of geotechnical engineering applications including protection of buried utilities and pipelines. EPS blocks are usually placed ... -
Influence of Micro- and Crystalline-Scale Properties on the Fracture of Silica Sand Particles Using 3D Finite-Element Analysis
(ASCE, 9/1/2021)Particle fracture significantly influences the constitutive behavior of sands and impacts many geotechnical engineering applications, such as hydraulic fracturing, pile driving, blast loading, and stability of dams. When ... -
Noncircular Deterministic and Stochastic Slope Stability Analyses and Design of Simple Geosynthetic-Reinforced Soil Slopes
(ASCE, 9/1/2021)The purpose of this study is to examine the behavior of simple soil slopes reinforced with geosynthetics using deterministic and stochastic as well as circular and noncircular limit equilibrium method (LEM) of slope stability ... -
Modulus of Subgrade Reaction of Unreinforced and Geogrid-Reinforced Granular Fill Over Soft Clay
(ASCE, 9/1/2021)In the present paper, the modulus of subgrade reaction or subgrade modulus for sand–clay layered soil (granular fill over clay) with or without geogrid reinforcement is determined under vertical loading by a series of ... -
Short- and Long-Term Observations of Fracture Permeability in Granite by Flow-Through Tests and Comparative Observation by X-Ray CT
(ASCE, 9/1/2021)Having a grasp of the variation in the fracture contact area is a kernel in the understanding of the permeability evolution of fractured rocks. However, the number of studies that focus on measuring the long-term variation ... -
Empirical Bearing Capacity Formula for Steel Pipe Prebored and Precast Piles Based on Field Tests
(ASCE, 9/1/2021)In this study, analysis of real-scale field pile loading test results on 20 fully instrumented steel pipe test piles will be carried out, to propose a modified empirical formula to estimate the bearing capacity of the steel ... -
Fractal Analysis of Mesoscale Failure Evolution and Microstructure Characterization for Sandstone Using DIP, SEM-EDS, and Micro-CT
(ASCE, 9/1/2021)Joints with different angles in rocks have significant impacts on their fracture mechanisms. In this study, scanning electron microscopy (SEM), energy-dispersive spectrometry (EDS), and microcomputed tomography (Micro-CT) ... -
Laboratory Test of EPB Shield Tunneling in Mixed-Face Conditions
(ASCE, 9/1/2021)Field measurements and laboratory tests were carried out to study the mechanical behaviors of soil in response to earth pressure balance (EPB) shield tunneling in mixed-face conditions, i.e., layers of granite and sand. ... -
Evolution of Load Reduction for High-Filled Cut-and-Cover Tunnels Subjected to Soil Creep
(ASCE, 9/1/2021)The excessive load from the high embankments of high-filled cut-and-cover tunnels (HFCCTs) threatens the safety and stability of HFCCTs. Relatively low-compacted (RLC) soil can reduce such loads in the short term, but the ... -
Design Equations for Large Diameter Buried Steel Pipes Inspired by the Modified Iowa Formula
(ASCE, 9/1/2021)The performance of large diameter pipes under construction loads is inherently coupled with knowledge of the complex soil–pipe system. Current methods do not cover all the different combinations for material, trench width, ... -
Effects of Karst Cave Shape on the Stability and Minimum Safety Thickness of Tunnel Surrounding Rock
(ASCE, 9/1/2021)Karst caves are often encountered during karst tunnel excavation, and the shape of the karst cave has an impact on the stability of the tunnel surrounding rock. This paper focused on the effects of karst cave shape on the ... -
Bearing Capacity Characteristics and Differential Settlement of Composite Foundation with Column-Hammered and Thrusted-Expanded Piles
(ASCE, 9/1/2021)The foundation bearing-capacity characteristics and differential settlement have become the vital issues of high-speed rail study. Because of the collapsibility around loess foundations, the bearing characteristics as well ... -
Monitoring Surcharge Loading-Induced Densification of Soft Soils through Time-Domain Reflectometry
(ASCE, 9/1/2021)Engineers often face the challenge of constructing on soft soils that are associated with low bearing capacity and severe post-constructional settlements. In the subsurface zone, volume-change behavior of saturated soft ... -
Unsupervised and Simultaneous Stratigraphic Interpretation of CPT Soundings at Site Scale
(ASCE, 8/1/2021)This paper presents a novel Bayesian machine-learning approach for unsupervised and simultaneous soil stratigraphic interpretation of cone penetration test (CPT) soundings at the site scale. The proposed approach interprets ...