International Journal of Geomechanics: Recent submissions
Now showing items 3641-3660 of 4049
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Application of ANNs and MVLRA for Estimation of Specific Charge in Small Tunnel
(American Society of Civil Engineers, 2012)Drilling and blasting method has been used for many years in underground excavations and still is very popular because of its many advantages. Blast performance is ordinarily measured by specific charge and by explosive ... -
Geogrid-Aggregate Interlock Mechanism Investigated through Aggregate Imaging-Based Discrete Element Modeling Approach
(American Society of Civil Engineers, 2012)Geogrids are commonly used in road construction for stabilization and reinforcement purposes. Factors affecting the interaction or interlock mechanisms between geogrids and aggregates may include, but are not limited to, ... -
Dynamic Response of Rigid Foundations of Arbitrary Shape Using Half-Space Green’s Function
(American Society of Civil Engineers, 2011)This paper deals with the dynamic steady-state force-displacement relationships (impedance) for rigid foundations of arbitrary shape resting on a semi-infinite medium consisting of homogeneous, isotropic, linear elastic ... -
GIS-Based Computational Method for Simulating the Components of 3D Dynamic Ground Subsidence during the Process of Undermining
(American Society of Civil Engineers, 2012)Most research has focused on using the subsidence prediction method to calculate final movement at the center line above mining operations and assess the surface structural damage without taking into account the dynamic ... -
Closure to “Two-Dimensional Discrete Element Theory for Rough Particles” by Mingjing Jiang, Serge Leroueil, Hehua Zhu, Hai-Sui Yu, and Jean-Marie Konrad
(American Society of Civil Engineers, 2011) -
Eulerian Finite-Element Technique for Analysis of Jack-Up Spudcan Penetration
(American Society of Civil Engineers, 2012)The numerical analysis of an object penetrating deep into the seabed is a fundamentally challenging problem. This paper presents the application of a novel Eulerian-based finite-element technique to simulate the continuous ... -
Analysis and Design of Vibration Isolation System Using Open Trenches
(American Society of Civil Engineers, 2011)Field vibration tests were carried out at a proposed site for the vibration testing room, and 2D numerical analysis using finite difference tool FLAC 5.0 was performed to suggest effective vibration isolation systems. In ... -
Analytical Method to Determine Vertical Stresses within a Granular Material Contained in Right Vertical Prisms
(American Society of Civil Engineers, 2012)In the design of large and tall storage containers/structures such as silos, hoppers, and mine stopes, it is often required to determine the stresses within the container, especially at the bottom where stresses are the ... -
Analytical Solutions for a Single Vertical Drain with Vacuum and Time-Dependent Surcharge Preloading in Membrane and Membraneless Systems
(American Society of Civil Engineers, 2012)A system of vertical drains with combined vacuum and surcharge preloading is an effective method for promoting radial flow, which accelerates soil consolidation. This study presents the analytical solutions of vertical ... -
Investigation on the Cause of Damages of a Deep Tunnel
(American Society of Civil Engineers, 2012)A study is presented on the damages that developed in the segmented precasted concrete liner of a deep tunnel excavated by means of a tunnel boring machine (TBM). Various possible causes are considered i.e., the pore-water ... -
Two-Dimensional Integral Equation Solution of Advective-Conductive Heat Transfer in Sparsely Fractured Water-Saturated Rocks with Heat Source
(American Society of Civil Engineers, 2012)Saturated sparsely fractured granite (average fracture spacing on the order of meters) is currently studied as the host rock for a potential high-level nuclear waste repository in China. As part of an effort to study the ... -
Seismic Active Earth Pressure on the Back of Battered Retaining Wall Supporting Inclined Backfill
(American Society of Civil Engineers, 2012)Knowledge of seismic active earth pressure behind a rigid retaining wall and its point of application are very important to the design of retaining walls in earthquake-prone regions. This paper presents a detailed study ... -
Constitutive Modeling Including Creep- and Rate-Dependent Behavior and Testing of Glacial Tills for Prediction of Motion of Glaciers
(American Society of Civil Engineers, 2011)The disturbed state concept (DSC) is used to characterize the deformation behavior of glacial tills, which may have a significant role in the motion of overlying glaciers with attendant implications for global climate ... -
Estimating Pressure Losses in Interconnected Fracture Systems: Integrated Tensor Approach
(American Society of Civil Engineers, 2011)A significant number of petroleum reservoirs and almost all geothermal reservoirs are characterized by high in situ stress and fractures, and fractures act as major flow paths for fluids. An integrated tensor model is ... -
Influence of Boundary Conditions in a Finite-Element Analysis of River Levees
(American Society of Civil Engineers, 2011)The effects of boundary conditions on the stability of a river levee built on a low-permeability soil layer overlying a coarse-grained deposit were studied by using the finite-element method (FEM). The FEM analyses could ... -
Taylor’s Slope Stability Charts Revisited
(American Society of Civil Engineers, 2011)Two design charts for computing the safety factor of soil slopes are presented here. The first one is for an undrained ( -
Physical Modeling of Compressive Behaviors of Anchored Rock Masses
(American Society of Civil Engineers, 2011)The mechanical characteristics of rock masses anchored with bolts play a critical role in anchored slope and underground buildings. In this study, the components and their mixing ratios of similar materials, such as rock ... -
Penetration Resistance and Stiffness Factors for Hemispherical and Toroidal Penetrometers in Uniform Clay
(American Society of Civil Engineers, 2011)This paper reports numerical analyses of shallowly embedded hemispherical and toroidal penetrometers under torsional and vertical load. These novel penetrometers are a new design suited to the assessment of near-surface ... -
Reducing the Computational Effort for Performing Linear Optimization in the Lower-Bound Finite Elements Limit Analysis
(American Society of Civil Engineers, 2011)This study describes a technique for reducing the computational effort for performing linear optimization while solving any geotechnical stability problem with the use of the lower bound finite-element limit analysis. In ... -
Performance of Reinforced Embankments on Rate-Sensitive Soils under Working Conditions Considering Effect of Reinforcement Viscosity
(American Society of Civil Engineers, 2012)The long-term performance of embankments with creep susceptible geosynthetics as a basal reinforcement layer over rate-sensitive soils is examined. Various factors, including reinforcement type and stiffness, soil viscosity, ...