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RISExperimental Evaluation and Stress–Fractional Modeling of the State-Dependent Behavior of Rockfill
Publisher: ASCE
Abstract: As one of the main filled materials of the Lianghekou (LHK) rockfill dam, the strength and deformation characteristics of LHK rockfill is of great interest for hydraulic and geotechnical engineers. Correct interpretation ...
Constitutive Model of Granular Soils Using Fractional-Order Plastic-Flow Rule
Publisher: American Society of Civil Engineers
Abstract: Traditional plasticity models of granular soils are usually established on different loading and plastic potential surfaces. This paper presents a nonassociated bounding-surface model by incorporating a fractional-order ...
Damkohler Number Analysis in Lean Blow-Out of Toroidal Jet Stirred Reactor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Lean blowout (LBO) prediction based on the local parameters in the laboratory toroidal jet-stirred reactor (TJSR) is investigated. The reactor operated on methane is studied using three-dimensional computational fluid ...
A Project Scheduling Optimization Model for Reducing Construction Dust Emissions Based on Variability in Meteorological Conditions
Publisher: American Society of Civil Engineers
Abstract: AbstractDust emissions from construction activities are one of the main sources of atmospheric
particulate pollution, which can pose serious health risks and environmental impacts.
Meteorological conditions such as wind ...
Robust Implicit Finite-Volume Method for Transient Mixed-Flow Modeling in Water-Conveyance Tunnels
Publisher: American Society of Civil Engineers
Abstract: AbstractThe accurate simulation of transient mixed flow is a crucial concern for the design
and management of water-conveyance tunnels. The free-surface and pressurized flows
are characterized by significant disparity in ...
Intelligent Vision-Based Part-Feeding on Dynamic Pursuit of Moving Objects
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The paper addresses the problem of picking up moving objects from a vibratory feeder with robotic hand-eye coordination. Since the dynamics of moving targets on the vibratory feeder are highly ...
Fabrication of Double-Layered Alginate Capsules Using Coaxial Nozzle
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Multilayered encapsulation has been of great interest for various pharmaceutical, chemical, and food industries. Fabrication of well-defined capsules with more than one shell layer still poses a significant fabrication ...
Discontinuum Modeling of Solid Deformation Pore-Water Diffusion Coupling
Publisher: American Society of Civil Engineers
Abstract: This paper presents a numerical scheme for a solid–fluid coupled discrete-element method (DEM) that takes into consideration solid deformation and pore pressure generation and dissipation. Analytical solutions of conventional ...
Laboratory Assessment of the Role of Particle Size Distribution on the Deformation and Degradation of Ballast under Cyclic Loading
Publisher: American Society of Civil Engineers
Abstract: The deformation and degradation of ballast is influenced by the size of the aggregates. In this study, a series of cyclic drained triaxial tests was conducted on ballast with different sizes using the large-scale cylindrical ...