International Journal of Geomechanics: Recent submissions
Now showing items 1461-1480 of 4049
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Evaluating the Effect of Footing Roughness on <i>N<sub>γ</sub></i> Coefficient Using the Method of Stress Characteristics
(ASCE, 2022-3-1)In this study, the bearing capacity coefficients Nγ were calculated for strip footings by considering different friction angles along the soil–footing interface (δ) using the numerical algorithm based on the method of ... -
Numerical Analysis of Deep Tunnels in Viscoplastic Rock Mass Considering the Creep and Shrinkage of the Concrete Lining
(ASCE, 2022-4-1)This paper aims to show, through numerical parameter analysis on a finite-element method with axisymmetry hypothesis, the long-term effect involving the creep and shrinkage of the concrete lining in deep tunnel problems. ... -
Seismic Performance of Multimegawatt Offshore Wind Turbines in Liquefiable Soil under Horizontal and Vertical Motions
(ASCE, 2022-3-1)Various multimegawatt capacity offshore wind turbines (OWTs) are constructed globally to fulfill increasing energy demand. Many of these structures have already been and will continue to be constructed in seismically active ... -
Failure Mechanism and Countermeasures of an Operational Railway Tunnel Invert in Horizontally Stratified Rock Masses
(ASCE, 2022-2-1)Invert anomaly has become a typical problem of railway tunnels in stratified rock during operations, which seriously affects the transportation capacity of railroad lines. This paper will study the failure mechanism and ... -
Modeling Hydraulic Fracturing and Blow-Out Failure of Tunnel Face During Shield Tunneling in Soft Soils
(ASCE, 2022-3-1)A common conflict of objectives for shield tunneling is to provide sufficient support pressure to maintain the stability of the tunnel face while avoiding blow-out of the tunnel face. Slurry-induced hydraulic fracturing, ... -
Effectiveness and Sensitivity of Fiber Inclusion on Desiccation Cracking Behavior of Reinforced Clayey Soil
(ASCE, 2022-3-1)This research paper aims to comprehensively investigate the effectiveness and sensitivity of fiber inclusion on the behavior of a clayey soil subjected to desiccation. A series of laboratory experiments including desiccation ... -
Wedge Movement Effects on the Nonlinear Behavior of an Arch Dam Subjected to Seismic Loading
(ASCE, 2022-3-1)Arch dam abutment stability is regarded as a prominent part of designing concrete dams. In the present study, the seismic stability of the rock wedges in the foundation of the concrete arch dams is studied using limit state ... -
Influence of Rock Strength on the Mechanical Characteristics and Energy Evolution Law of Gypsum–Rock Combination Specimen under Cyclic Loading–Unloading Condition
(ASCE, 2022-5-1)The stability of coal–rock composite structures is essential for the safety of coal mine production. To explore the failure characteristics and energy evolution law of coal–rock composite structures, uniaxial cyclic ... -
Novel Three-Dimensional Sarma Method with Vertical Slices for Stability Analysis of Rock Slopes
(ASCE, 2022-3-1)In general, the traditional Sarma method is two-dimensional (2D). In nature, slopes are three-dimensional (3D) problems. However, the 3D Sarma method is rarely proposed and used in rock slope engineering. In this paper, ... -
Reliability-Based Design Optimization of Shallow Foundation on Cohesionless Soil Based on Surrogate-Based Numerical Modeling
(ASCE, 2022-2-1)This paper develops an approach that utilizes kriging surrogate models for the reliability-based design of geotechnical structures. Surrogate models improve the computational efficiency and reduce the complexity of ... -
Novel Approach for Generating Homogeneous Samples for Discrete-Element-Method Studies
(ASCE, 2022-2-1)A novel approach––the modified multilayer method––is proposed for generating homogeneous specimens for discrete-element-method (DEM) studies. The “particle boundary” is introduced at the interface between the layers, and ... -
Multiyield-Surface Implementation of a Simplified Three-Dimensional Hoek–Brown Strength Criterion
(ASCE, 2022-3-1)This work presents the implementation of a simplified three-dimensional Hoek–Brown strength criterion using a multiyield-surface plasticity approach. The adopted three-dimensional simplification of the strength criterion ... -
A Novel Simple Solution to Cavity Expansion Problem in Crushable Granular Materials Based on Energy Dissipation Method
(ASCE, 2022-2-1)This study presents an energy dissipation analysis approach for cavity expansion problems in crushable granular materials under the high stress state. By assuming that the energy dissipation generated from cavity expansion ... -
Performance Evaluation of Micropiles as a Ground Improvement Technique for Existing Railway Tracks: Finite-Element and Genetic Programming Approach
(ASCE, 2022-3-1)There are various methods for reinforcing a railway track subgrade, but the greater challenge lies in improving an existing railway track in the least possible time with minimum disruption to rail traffic. Micropiles can ... -
A Modified Endurance Time Analysis Algorithm to Correct Duration Effects for a Concrete Gravity Dam
(ASCE, 2022-2-1)Durations are defined as an essential component of the three primary characteristics of strong earthquakes, which exhibit a remarkable influence on the damage characteristics of a concrete dam body. However, when considering ... -
Seismic Analysis of Gravity Dam–Layered Foundation System Subjected to Earthquakes with Arbitrary Incident Angles
(ASCE, 2022-2-1)Seismic performance of gravity dams has been widely concerned due to their importance in hydraulic engineering. In recent years, the influence of the incident angle of seismic waves and the inhomogeneity of complex foundation ... -
Experimental and Numerical Investigations on the Mechanical Behavior of Basalt in the Dam Foundation of the Baihetan Hydropower Station
(ASCE, 2022-2-1)The mechanical behavior of basalt is critical to the stability and safety of large structures erected on basalt. In this paper, a series of tests (hydrostatic compression test, triaxial compression tests, and triaxial ... -
Reliability Analysis of Modern Geotechnical Codes for the Limit State Design of Sheet Pile Structures Considering Parameter Uncertainties
(ASCE, 2022-3-1)In this paper, the limit-state and direct probability-based design responses of modern geotechnical codes are characterized according to parametric analyses of geotechnical uncertainty. The reliability levels (β) of the ... -
Lateral Response of Hollow Circular Caisson Embedded in Nonlinear Soils
(ASCE, 2022-2-1)This paper presents the numerical analysis of the lateral response of hollow circular caisson embedded in nonlinear soils. The caisson–soil system is modeled by a three-dimensional nonlinear finite-element method. The ... -
Stability Factors <i>F<sub>c</sub></i>, <i>F<sub>s</sub></i>, and <i>F<sub>γ</sub></i> for Twin Tunnels in Three Dimensions
(ASCE, 2022-3-1)This paper aims to study the three-dimensional (3D) tunnel heading pressure of twin circular tunnels in a drained cohesive–frictional soil using a stability factor approach and finite-element limit analysis (FELA). The ...