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RISInfluence of Grouting Pressure and Overburden Stress on the Interface Resistance of a Soil Nail
Publisher: American Society of Civil Engineers
Abstract: Grouted soil nails are widely used in slope stabilization. The influence of both grouting pressure and overburden stress on the soil-nail pullout interface shear resistance is still not well understood due to the complex ...
Root Cohesion Estimation of Riparian Trees Based on Model Uncertainty Characterization
Publisher: American Society of Civil Engineers
Abstract: The mechanical reinforcement effect of roots on soil shear strength is widely recognized and can be used in slope stability analyses based on the limit equilibrium or finite-element method. Although some advanced root ...
Predicting Pore-Water Pressure in Front of a TBM Using a Deep Learning Approach
Publisher: ASCE
Abstract: When tunneling with a tunnel boring machine (TBM) in permeable soil, excess pore-water pressure are inevitably generated in the soil surrounding the TBM. Because excess pore-water pressure reduce the effective face support ...
Effect of Viscosity on Slurry Infiltration in Granular Media
Publisher: ASCE
Abstract: The infiltration of slurry in granular media plays an important role in face stability during slurry shield tunneling. This study investigates the effect of slurry viscosity in Fujian standard sand through a series of ...
Semianalytical Solution for Dissipation Process of Partially Saturated Soils Considering Nonsmooth Boundary and Stress Level
Publisher: ASCE
Abstract: Partially saturated soils are commonly encountered in practice. To facilitate the construction and maintenance of infrastructure, it is important to estimate the dissipation of partially saturated soils reasonably, especially ...
Physics-Informed Neural Networks for Settlement Analysis of the Immersed Tunnel of the Hong Kong–Zhuhai–Macau Bridge
Publisher: ASCE
Abstract: In this study, we propose a physics-informed neural networks algorithm that integrates a simplified physical model and neural networks for the settlement analysis and prediction of the immersed tunnel of the Hong ...
Simplified Analytical Method for Calculating the Maximum Shear Stress of Nail-Soil Interface
Publisher: American Society of Civil Engineers
Abstract: This paper describes a simplified analytical method that considers postinstallation normal stress, normal stress due to soil dilation, and grouting pressure when calculating the maximum shear stress of the nail-soil ...
Experimental Investigation of Water Flow through Vesicular Fractures in Volcanic Rock
Publisher: ASCE
Abstract: The vesicular structure of volcanic rocks may disrupt the fluid flow in fractures and make the mechanism of fracture flow more complicated. This study evaluated the characteristics of fracture flow associated with vesicular ...
Modeling Geogrid Pullout Behavior in Sand Using Discrete-Element Method and Effect of Tensile Stiffness
Publisher: American Society of Civil Engineers
Abstract: In this study, a series of numerical pullout tests was performed using the discrete-element method (DEM) to investigate the micromechanical behavior of geogrid pullout and the effect of geogrid tensile stiffness. Geogrid–soil ...
Modeling Geogrid Pullout Behavior in Sand Using Discrete-Element Method and Effect of Tensile Stiffness
Publisher: American Society of Civil Engineers
Abstract: In this study, a series of numerical pullout tests was performed using the discrete-element method (DEM) to investigate the micromechanical behavior of geogrid pullout and the effect of geogrid tensile stiffness. Geogrid–soil ...