International Journal of Geomechanics: Recent submissions
Now showing items 2521-2540 of 4049
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Soil Reinforcement with Geosynthetic for Localized Subsidence Problems: Experimental and Analytical Analysis
(American Society of Civil Engineers, 2018)This study focuses on the evaluation of the load transfer mechanism and the determination of the shape of the load distribution transmitted to the geosynthetic layer when a cavity appears under granular and cohesive ... -
Performance of Field and Numerical Back-Analysis of Floating Stone Columns in Soft Clay Considering the Influence of Dilatancy
(American Society of Civil Engineers, 2018)Stone column use has gained popularity around the globe as an effective ground improvement technique to improve the load-bearing capacity of soft soils. End-bearing stone columns are commonly used, but occasionally floating ... -
Finite Element Limit Analysis of the Bearing Capacity of Strip Footing on a Rock Mass with Voids
(American Society of Civil Engineers, 2018)Finite element limit analysis (FELA) was used to investigate the bearing capacity of strip footing on a rock mass with single or multiple continuous voids. The underlying rock mass was assumed to have perfect plasticity ... -
Numerical Study on Effect of Joint Strength Mobilization on Behavior of Rock Masses with Large Nonpersistent Joints under Uniaxial Compression
(American Society of Civil Engineers, 2018)In this paper, by analyzing evolution of aperture and contact forces of joints as well as parallel bond breakage, the effect of joint strength mobilization on mechanical behavior of jointed rock masses was studied numerically ... -
Method for Resolving Contact Indeterminacy in Three-Dimensional Discontinuous Deformation Analysis
(American Society of Civil Engineers, 2018)Because of the nonlinearity nature of contacts, real contact information in discontinuous computation is unknown before analysis. In standard three-dimensional (3D) discontinuous deformation analysis (3D DDA), the ... -
Optimal Design of Reinforced Pad Foundation and Strip Foundation
(American Society of Civil Engineers, 2018)This article presents an optimal design for reinforced pad and strip foundations, based on multiparametric, mixed-integer, and nonlinear programming (MINLP) optimizations. For this purpose, a MINLP optimization model ... -
Simulation of Quasi-Static and Dynamic Collapses of Rectangular Granular Columns Using Smoothed Particle Hydrodynamics Method
(American Society of Civil Engineers, 2018)The quasi-static collapse of granular material where the effect of particle inertia is negligible is an important topic of interest in various natural phenomena and industrial processes. However, less focus has been placed ... -
Hydrodynamic Pressure on Gravity Dams with Different Heights and the Westergaard Correction Formula
(American Society of Civil Engineers, 2018)Seismic dynamic analysis of gravity dams of five different heights in the time domain was performed based on the fluid–structure coupling model (FSCM). Compared with the results from the FSCM, the maximum hydrodynamic ... -
Novel SPH SIMSAND–Based Approach for Modeling of Granular Collapse
(American Society of Civil Engineers, 2018)Granular collapse is a common issue in natural hazards. This paper proposes a novel numerical approach on modeling granular column collapse. A newly developed critical state–based constitutive model, SIMSAND, was adopted ... -
Behavior of Amorphous Peaty Soil under Long-Term Cyclic Loading
(American Society of Civil Engineers, 2018)A series of one-way and long-term (1, cycles) cyclic triaxial tests was carried out to investigate the cyclic behavior of peaty soil from Kunming, China. The organic components of the peaty soil were generally highly ... -
Numerical Simulation of the Shear Behavior of Rock Joints Filled with Unsaturated Soil
(American Society of Civil Engineers, 2018)Weak infilled discontinuities commonly exist in rock masses, in which the infill degree of saturation largely influences the overall joint shear behavior and ground stability. However, so far, research on the shear of ... -
Field Investigation and Prediction of Responses of Far-Field Ground and Groundwater to Pumping Artesian Water in Deep Excavations
(American Society of Civil Engineers, 2018)Pumping artesian water is mandatory in deep excavation above a shallow confined aquifer with a high piezometric head. In this study, a comprehensive monitoring program is performed to investigate the responses of far-field ... -
Modeling Small-Strain Behavior of Hong Kong CDG and Its Application to Finite-Element Study of Basement-Raft Footing
(American Society of Civil Engineers, 2018)Stress-strain responses, including small-strain behavior, of Hong Kong completely decomposed granite (CDG) were investigated using triaxial specimens prepared from Mazier samples in a manner in which structure in the soil ... -
Elastic Thin Plate Resting on Saturated Multilayered Soils with Anisotropic Permeability and Elastic Superstrata
(American Society of Civil Engineers, 2018)The fundamental solution for saturated multilayered soils with anisotropic permeability and elastic superstrata is deduced by gathering the analytical layer elements of single-phase soil layers and saturated soil layers. ... -
Strength Reduction Method for Slope Stability Analysis Based on a Dual Factoring Strategy
(American Society of Civil Engineers, 2018)A shear strength reduction method based on a dual factoring strategy was considered in which cohesion and the coefficient of internal friction were each reduced by a different factor. By using a strength reduction path ... -
Effects of Cement Treatment on Microstructural, Hydraulic, and Mechanical Properties of Compacted Soils: Characterization and Modeling
(American Society of Civil Engineers, 2018)This paper addresses the problem of the experimental characterization of cement-treated compacted soils in terms of microstructural, hydraulic, and mechanical properties. Tests were conducted on two different types of soil: ... -
Upper-Bound Analysis for Stone Retaining Wall Slope Based on Mixed Numerical Discretization
(American Society of Civil Engineers, 2018)The ultimate bearing capacity of masonry retaining wall slope is studied by combining the upper-bound theorem, the mixed numerical discretization, and the linear programming. First, the soil mass is discretized by triangular ... -
Effect of Tension on the Combined Loading Failure Envelope of a Pipeline on Soft Clay Seabed
(American Society of Civil Engineers, 2018)Offshore pipelines are commonly laid directly on the seabed, which is dominantly soft clayey deposits in deep-water areas. This article presents a numerical finite-element study of the undrained bearing capacity of a ... -
3D Cellular Automata as a Computational Tool to Generate Artificial Porous Media
(American Society of Civil Engineers, 2018)In modern geotechnical engineering, the study of the geometry of the porous matrix has been shown to be of fundamental importance. This emerges from the growing usage of numerical methods, which require a computational ... -
Asymptotic Solution for the One-Dimensional Nonlinear Consolidation Equation Including the Pore Evolution Effect
(American Society of Civil Engineers, 2018)Soil consolidation causes pore compression and ground subsidence. Accordingly, void ratio, compressibility, and permeability change, thereby affecting the consolidation process. Thus, the consolidation generates a nonlinear ...