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GA-Based Fuel-Efficient Transfer Path Selection Model for Delivering Construction Materials
Publisher: American Society of Civil Engineers
Abstract: Oil prices may continue to rise indefinitely until alternative fossil fuels or renewable energies are commercialized. In this sense, general contractors who have the responsibility of delivering construction materials ...
Transient Analysis of a Spring-Loaded Pressure Safety Valve Using Computational Fluid Dynamics (CFD)
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A spring-loaded pressure safety valve (PSV) is a key device used to protect pressure vessels and systems. This paper developed a three-dimensional computational fluid dynamics (CFD) model in ...
Case Study of Steady Oxygen Concentration Gradients in a Groundwater Plume from a Highway Infiltration Basin
Publisher: American Society of Civil Engineers
Abstract: We measure and model the steady transport of specific conductivity and dissolved oxygen through a groundwater plume from a highway infiltration basin in southeastern Massachusetts. Specific conductivity is treated as a ...
Modeling Corrosion Progress of Steel Wires in External Tendons
Publisher: American Society of Civil Engineers
Abstract: When prestressing tendons are corroded, a bridge owner must decide whether to replace or repair them. If this decision must be based on a destructive inspection method, section losses in the steel strands must be estimated ...
Design and Preparation of SOFC Unit Cells Using Scandia-Stabilized Zirconia Electrolyte for Intermediate Temperature Operation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A solid oxide fuel cell unit cell based on a scandia-stabilized zirconia (ScSZ) electrolyte for intermediate temperature operation (below 650°C) was manufactured as an anode-supported unit ...
Investigation of Effects of Inherent Variation and Spatiotemporal Dependency on Urban Travel-Speed Prediction
Publisher: ASCE
Abstract: Urban traffic prediction is a challenging task due to the complexity of urban networks. Many studies have been conducted to improve the prediction accuracy, but the limitation still remains that their accuracy varies with ...
Evaluating the Threshold for Corrosion-to-Fatigue Crack Transition Using a Corroded Steel Plate from an In-Service Bridge
Publisher: ASCE
Abstract: The linear elastic fracture mechanics (LEFM)–based approach has been widely applied to investigate the threshold for corrosion-to-fatigue crack transition in the corrosion fatigue process. However, investigations to determine ...
Load Transfer Curve Analyses of Drilled Shafts Using Crosshole Sonic Logging Test
Publisher: American Society of Civil Engineers
Abstract: The erroneous load transfer curve calculated using the nominal cross-sectional area (AC) and elastic modulus of a concrete specimen (ECU) was modified by considering the nonuniform cross-sectional area (ACR) and nonhomogeneous ...
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