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Evolution of Korea’s Disaster-Management Diplomacy: Disaster Management as a Nexus between ODA Policy and Middle-Power Diplomacy
Publisher: ASCE
Abstract: Noting that the demand for overseas emergency relief increased, the Korean government ambitiously launched disaster-management diplomacy in the 2000s. This paper argues that the Korean government promoted disaster-management ...
Optimum Curing Regimes of Early Strength Concrete Inclusive of Heat Transfer and Hydration Effects
Publisher: American Society of Civil Engineers
Abstract: The optimum curing regime (OCR) empirically obtained from a number of small-sized specimens may be overly conservative or inaccurate due to neglecting the effects of exothermic hydration and geometries of full-sized members ...
A Stabilizing Control Algorithm for Asynchronous Parallel Quadratic Programing via Dual Decomposition
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper proposes a control algorithm for stable implementation of asynchronous parallel quadratic programing (PQP) through a dual decomposition technique. In general, distributed and parallel optimization requires ...
Importance of Testing with Independent Subjects and Contexts for Machine-Learning Models to Monitor Construction Workers’ Psychophysiological Responses
Publisher: ASCE
Abstract: Because workers’ abnormal psychophysiological responses (e.g., high levels of stress and fatigue) are directly or indirectly linked to disorders and accidents at construction sites, monitoring workers’ abnormal ...
Deep-Learning Domain Adaptation to Improve Generalizability across Subjects and Contexts in Detecting Construction Workers’ Stress from Biosignals
Publisher: ASCE
Abstract: Wearable biosensors, in conjunction with machine learning, have been employed to develop less invasive monitoring techniques for assessing stress among construction workers during fieldwork. However, existing techniques ...
Effects of DME-Isobutane Blended Fuels on Combustion and Emissions Reduction in a Passenger Car Diesel Engine
Publisher: American Society of Civil Engineers
Abstract: This paper investigates the effect of isobutane blended dimethyl ether (DME) fuels on the spray behaviors, combustion, and emission reduction characteristics in a diesel engine. To investigate the influence of DME-isobutane ...
Partial Entity Structure: A Compact Boundary Representation for Non-Manifold Geometric Modeling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Non-manifold boundary representations have become very popular in recent years and various representation schemes have been proposed, as they represent a wider range of objects, for various ...
Simultaneous Boiling Visualization and Heat Transfer Measurement of Two Adjacent Water Impinging Jets
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effect of jettojet distance of two adjacent jets on boiling heat transfer was investigated by a simultaneous boiling visualization and heat transfer measurement. The hydrodynamics of two adjacent jets were visualized ...
Effect of Secondary Impacts on SPT Rod Energy and Sampler Penetration
Publisher: American Society of Civil Engineers
Abstract: This paper explores the standard penetration test (SPT) hammer-anvil behavior and investigates the effect of secondary impact on SPT energy and sampler penetration. It is observed that the hammer-anvil behavior after the ...
Characteristics of Rubber-Sand Particle Mixtures according to Size Ratio
Publisher: American Society of Civil Engineers
Abstract: In this study, rubber-sand particle mixtures are investigated to understand their stress-deformation and elastic modulus characteristics. Specimens are prepared with various size ratios, sr