International Journal of Geomechanics: Recent submissions
Now showing items 1641-1660 of 4049
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Influence of Soil-Arching Effect on Tunnel Face Stability
(ASCE, 7/1/2021)Based on the slip line theory and the upper-bound limit analysis theorem, a three-dimensional (3D) slip–rupture mechanism to design the shield tunnel face stability is proposed. This model is defined by using a spatial ... -
BiLSTM-Based Soil–Structure Interface Modeling
(ASCE, 7/1/2021)Deep learning (DL) algorithm bidirectional long short-term memory (BiLSTM) neural network is employed to model behaviors of the soil–structure interface in this study, as a pioneer research work to investigate the feasibility ... -
Evaluation of the Bending Failure of Columns under an Embankment Loading
(ASCE, 7/1/2021)Embankment stability issues present design and research challenges to geotechnical engineers. Current design methodologies for the stability of embankments on columns are mainly evaluated under assumptions of a shear failure ... -
Analytical and Numerical Approaches to Attain the Optimum Tapering Angle for Axially-Loaded Bored Piles in Sandy Soils
(ASCE, 7/1/2021)This study aims to establish an equation to obtain the optimum tapering angle (αopt) for bored tapered piles that is correlated with pile geometry and sand properties that vary with the relative density. This αopt corresponds ... -
Mechanical Response of Granite Residual Soil Subjected to Impact Loading
(ASCE, 6/1/2021)When constructing subway tunnels, blasting is commonly used to deal with granite boulders in weathered granite formations. It is, therefore, crucial to evaluate how the blasting-induced impact loading affects surrounding ... -
Generalized Mapping Rule for Image Point Identification in 3D Bounding Surface Plasticity Models
(ASCE, 6/1/2021)This paper presents a generalized yet simple mapping rule for image point identification in 3D bounding surface plasticity (BSP) models. It is based on the determination of the correct locations of the current and reversal ... -
Experimental Investigation on Pullout Behavior of Geosynthetics with Varying Dimension
(ASCE, 6/1/2021)Reinforcement geometry has a major effect on design parameters and stability control of reinforced soil structures. Geosynthetic with varying dimensions may be of interest from both economic and technical viewpoints. To ... -
Strength and Stiffness Properties of an Unsaturated Clayey Silt: Experimental Study at High Degrees of Saturation
(ASCE, 7/1/2021)Unsaturated constant water content triaxial compression tests with suction measurement, using an Imperial College tensiometer, and saturated consolidated undrained tests were conducted on reconstituted brickearth, a naturally ... -
Three-Dimensional Numerical Modeling of Ground Deformation during Shield Tunneling Considering Principal Stress Rotation
(ASCE, 7/1/2021)In the process of tunnel excavation, the change of soil stress field will inevitably lead to principal stress axis rotation, which is a common but easily ignored phenomenon in shield tunneling. Therefore, it is necessary ... -
Multiscale Approach and Meso–Macro-Mechanical Analysis of Granular Materials
(ASCE, 6/1/2021)A multiscale simulation method for modeling granular materials was proposed in this paper. The key links in this method were analyzed, and the computing framework was constructed. In this multiscale approach, the finite-element ... -
Effect of Loading Rate and Water on the Dynamic Fracture Behavior of Sandstone under Impact Loadings
(ASCE, 8/1/2021)The moisture content of rocks in nature often changes with the natural hydrological environment, and generally natural rock may be classified into three types, that is, dry, natural, and saturated rock. The corresponding ... -
Stability of Cracking Deposit Slope Considering Parameter Deterioration Subjected to Rainfall
(ASCE, 7/1/2021)Soil–rock mixture (SRM) shows complicated mechanical behaviors and hydraulic characteristics, which lead to challenging deposit landslides and debris problems in southwestern China. Previous studies have shown, based on ... -
Experimental Investigation of Influence of Air-Boost Pressure and Duration on Air-Boost Vacuum Preloading Consolidation
(ASCE, 6/1/2021)The air-boost vacuum preloading method has become popular in soft soil foundation reinforcement, especially in land reclamation projects. However, there are still some consolidation mechanism issues that need to be ... -
Nonlinear Model for the Stress–Strain–Strength Behavior of Unsaturated Granular Materials
(ASCE, 7/1/2021)Granular materials are typically used as fills in earth structures, including foundation, embankment, and slope. The majority of these granular materials are built and maintained in unsaturated conditions. It is still an ... -
Coupled Moving Particle Simulation–Finite-Element Method Analysis of Fluid–Structure Interaction in Geodisasters
(ASCE, 6/1/2021)Geodisasters associated with fluidized geomaterials, such as flow-like landslides, flow slides, and debris flows, pose a tremendous threat to communities and the environment. Protective structural measures are therefore ... -
Multiple Fracture Growth in Modified Zipper Fracturing
(ASCE, 7/1/2021)Operational parameters, such as multiple-cluster and well spacing, flow rates, and injection time, play a vital role in the deviation and growth of multiple-cluster hydraulic fractures during the implementation of modified ... -
Semianalytical Analysis of Overexcavation and Critical Support Pressure for Support Design in TBM Tunneling through Squeezing Rock Condition
(ASCE, 7/1/2021)Support damage is a typical hazard scenario associated with tunnel boring machine (TBM) drives in the squeezing rock condition. The stress release of the rock mass and the improvement of the support capacity are two effective ... -
Load-Transfer Mechanism of Helical Piles Under Compressive and Impact Loading
(ASCE, 6/1/2021)Helical piles are currently used to support large compressive loads, which requires accurate evaluation of their bearing capacity. High strain dynamic load testing is increasingly used to determine the capacity of helical ... -
Theoretical and Numerical Analyses on Hydro–Thermal–Salt–Mechanical Interaction of Unsaturated Salinized Soil Subjected to Typical Unidirectional Freezing Process
(ASCE, 7/1/2021)The freezing process of salinized soil is a complex, dynamic, and interactive hydro–thermal–salt–mechanical (HTSM) coupled physical phenomenon. In many recent studies, soil was assumed to be saturated, and the theoretical ... -
Resistance of Caisson Tip with Internal Bevels for Suction Caissons Penetrating into Clay
(ASCE, 6/1/2021)Suction caissons with internal bevels at the caisson tip can effectively reduce resistance to make them to penetrate into the seabed easily. This paper describes the failure mechanisms of the soil at the caisson tip with ...