International Journal of Geomechanics: Recent submissions
Now showing items 2021-2040 of 4049
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Dynamic Properties of Cement-Treated Marine Clay
(ASCE, 2020)Deep cement mixing and jet grouting is a widely adopted ground improvement method to solidify soft sediments. Several reports are available on the static strength and maximum shear modulus of cement-treated ground. This ... -
Analytical Model for Load-Transfer Mechanism of Rock-Socketed Drilled Piles: Considering Bond Strength of the Concrete–Rock Interface
(ASCE, 2020)The mobilization of side resistance has a significant effect on load-transfer characteristics and the ultimate bearing capacity of rock-socketed piles. A good understanding of the shear mechanism of a concrete–rock interface ... -
Consolidation Analysis of Soft Ground Improved by Stone Columns Incorporating Foundation Stiffness
(ASCE, 2020)The consolidation of soft ground improved by stone columns is normally analyzed under equal strain or free strain conditions. In this study a new consolidation model for stone columns is proposed to capture actual field ... -
Effect of Key Parameters on Top Coal First Caving and Roof First Weighting in Longwall Top Coal Caving: A Case Study
(ASCE, 2020)The first caving of top coal and the first weighting of roof strata in Longwall Top Coal Caving (LTCC) mining were analyzed in a parametric study by using a discontinuum modeling technique with plastic rock material. The ... -
Face Stability Analysis for a Shield Tunnel in Anisotropic Sands
(ASCE, 2020)Shield tunnels are widely used in urban underground construction. The stability of the tunnel face has become a crucial issue in shield tunneling. In this paper, the anisotropy of friction angles is taken into account in ... -
New Instability Criterion for Stability Analysis of Homogeneous Slopes
(ASCE, 2020)A new instability criterion based on the strength reduction method (SRM) is proposed, where the slope is in the limit equilibrium state when the critical slope contour determined by the slip-line field theory and the slope ... -
Seismic Response of Earth Dam with Innovative Polymer Antiseepage Wall
(ASCE, 2020)Polymer antiseepage walls have advantages over conventional antiseepage walls in terms of environmental protect and construction convenience. Therefore, it is widely applied in seepage-proofing, reinforcement projects in ... -
New Creep Constitutive Model for Soft Rocks and Its Application in the Prediction of Time-Dependent Deformation in Tunnels
(ASCE, 2020)Creep often occurs in tunnels excavated in soft rocks and it poses a risk to the long-term stability of the excavation. To derive measures for the effective mitigation of the risk, it is important to understand the ... -
Stability and Evolution of Planar and Concave Slopes under Unsaturated and Rainfall Conditions
(ASCE, 2020)Natural slopes are often observed to have a concave, convex, or a combination concave/convex profile, yet constructed slopes are traditionally designed with planar cross-sectional geometry. In this paper, the stability of ... -
Probabilistic Predictions of the Convergences of Surrounding Rock Masses in Underground Rock Caverns
(ASCE, 2020)The convergences of surrounding rock masses are important indexes which can be used to evaluate the stability levels of underground rock excavations. The predictions and control of convergences are essential tasks to ensure ... -
Finite-Element Modeling of Heat Transfer in Ground Source Energy Systems with Heat Exchanger Pipes
(ASCE, 2020)Ground source energy systems (GSES) utilize low enthalpy geothermal energy and have been recognized as an efficient means of providing low carbon space heating and cooling. This study focuses on GSES where the exchange of ... -
Displacement Back-Analysis of Rock Mass Parameters for Underground Caverns Using a Novel Intelligent Optimization Method
(ASCE, 2020)During the excavation of large-scale underground caverns, in which dynamic feedback analysis is required, the efficiency and accuracy in determining mechanical parameters of surrounding rock masses have significant influences ... -
Design of Stiffened Slab Foundations on Reactive Soils Using 3D Numerical Modeling
(ASCE, 2020)Over the past decades, stiffened slab foundations have been assessed as the most successful foundation system for structures that are susceptible to risks from reactive soils. However, most existing design methods simplify ... -
Construction Schemes for Shallow and Asymmetrically Loaded Tunnels Crossing Below a Bridge
(ASCE, 2020)With the development of infrastructure, new tunnel crossings below existing bridges are becoming increasingly common. This paper presents a case history of a shallow, double-line tunnel crossing below a bridge on a hillslope ... -
Pile Shaft Capacity from Cone Penetration Test Records Considering Scale Effects
(ASCE, 2020)The cone penetration test (CPT) is used as a complementary approach for determining the bearing capacity of piles. Via direct CPT methods for pile capacity prediction, correlation coefficients smaller than unity are used ... -
Numerical Evaluation of Soil–Structure Interaction Effects on the Seismic Performance and Vulnerability of Reinforced Concrete Buildings
(ASCE, 2020)This study aimed to investigate whether the seismic performance and vulnerability of reinforced concrete (RC) structures were affected by soil–structure interaction (SSI). A set of RC frames located on three soil types ... -
Numerical Investigation of the Performance of Caissons in Cohesive Soils under Cyclic Loading
(ASCE, 2020)Cumulative plastic deformations under cyclic loading can be a key consideration in the design of caissons and short piles. In the case of caissons and piles serving as anchors for floating offshore structures, the possibility ... -
Long-Term Deformation Analysis for a Vertical Concentrated Force Acting in the Interior of Fractional Derivative Viscoelastic Soils
(ASCE, 2020)This paper gives a set of time-dependent displacement solutions for the case of a vertical concentrated force acting in the interior of fractional derivative viscoelastic soils. First, a three-dimensional fractional ... -
Practical Large-Deformation Finite-Element Method for 3D Geotechnical Problems Involving Free Surface Deformations
(ASCE, 2020)The remeshing and interpolation technique with small-strain (RITSS) finite-element method has been widely adopted to address a broad range of two-dimensional (2D) large deformation geotechnical problems. However, its ... -
Formulation and Application of a Constitutive Model for Multijointed Material to Rock Mass Engineering
(ASCE, 2020)The behavior of foliated rock masses presents challenging engineering issues. This paper presents the formulation of a constitutive model to simulate the behavior of foliated rock mass. The 3D elastoplastic constitutive ...