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RISPreparation, Property Tests, and Limited Chain Model of Magnetorheological Fluid
Publisher: American Society of Civil Engineers
Abstract: Magnetorheological (MR) fluids are a new type of smart material whose performance can be evaluated by considering three important factors: stability, viscosity, and shear yield stress of the fluids. In this study, to produce ...
Numerical Simulation of the Working Mechanism of Denti-Geogrid Reinforcement
Publisher: American Society of Civil Engineers
Abstract: To explore the working mechanism of retaining a wall reinforced with denti-geogrids, the numerical simulation of a pullout test was performed, the working behavior and influencing factors were analyzed, a generalized model ...
Airfoil Aerodynamics in Proximity to Wavy Water Surface
Publisher: ASCE
Abstract: The aerodynamics of the airfoil National Advisory Committee for Aeronautics (NACA) 4412 moving in proximity to a wavy water surface are investigated using numerical methods, and the conditions under different values of the ...
Seismic Performance of Precast Segmental Bridge Columns Reinforced with Both Stainless-Steel Bars and GFRP Bars
Publisher: ASCE
Abstract: An innovative precast segmental bridge column (PSBC) was proposed to achieve a better durability performance in an aggressive coastal environment, which was reinforced with both longitudinal stainless steel (SS) bars and ...
Cracking Process Analysis and Fracture Pattern Recognition of Asphalt Mixture Based on Acoustic Emission Characteristics
Publisher: ASCE
Abstract: Acoustic emission (AE) technology has advantages in characterizing the damage of asphalt mixture and its microcrack formation and development. In this study, AE characteristic parameters and high-speed camera recording ...
One-Dimensional Transient Analytical Solution for Gas Pressure in Municipal Solid Waste Landfills
Publisher: American Society of Civil Engineers
Abstract: Landfill gas (LFG) is generated in municipal solid waste (MSW) landfills because of the decomposition of degradable components. Gas pressure within the landfilled MSWs is of importance as cover or landfill stability may ...
Study on the Mechanical Properties of Steel Slag Cement–Solidified Silt Soil and the Law of Chloride Ion Transport under Different Erosion Times
Publisher: ASCE
Abstract: To study the influence of chloride erosion on the mechanical properties of steel slag cement–solidified silt soil and the law of chloride ion migration, indoor tests were carried out on the physical and mechanical properties ...
Neural Network Reentry Guidance for Reusable Launch Vehicle Based on Sample Dimensionality Reduction
Publisher: American Society of Civil Engineers
Abstract: In this paper, a neural network guidance based on sample dimension reduction is proposed for a reusable launch vehicle. Different from previous works, the training samples of neural networks use Pearson correlation matrix ...
High Computationally Efficient Predictive Entry Guidance with Multiple No-Fly Zones
Publisher: American Society of Civil Engineers
Abstract: This study proposes a high computationally efficient data-driven predictive entry guidance method for hypersonic vehicles under multiple no-fly zones. The method uses a reduced-order motion-model-based semianalytic guidance ...