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RISDetection Model for Unbalanced Bidding in Railway Construction Projects: Considering the Risk of Quantity Variation
Publisher: ASCE
Abstract: The application of a unit-price contract is nascent in railway construction projects in China. The investment risks for owners arising from unbalanced bidding in unit-price contracts should be given significant attention. ...
Social Ex-Post Evaluation of Old City Zone Renovation Projects Based on Mathematical Attribute Measurement Model
Publisher: American Society of Civil Engineers
Abstract: Recently, old city zone renovation projects have become more frequent in China. But such projects—focusing on a city’s image while ignoring people’s livelihoods, local social environment, and cultural conditions—usually ...
Parametric Identification of Abkowitz Model for Ship Maneuvering Motion by Using Partial Least Squares Regression
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Partial least squares (PLS) regression is used for identifying the hydrodynamic derivatives in the Abkowitz model for ship maneuvering motion. To identify the dynamic characteristics in ship maneuvering motion, the derivatives ...
Analysis of a New Thermodynamic Cycle for Combined Power and Cooling Using Low and Mid Temperature Solar Collectors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A combined thermal power and cooling cycle is proposed which combines the Rankine and absorption refrigeration cycles. It can provide power output as well as refrigeration with power generation ...
Experimental Study of Passive Jet Flow Control of Chamfered Square Cylinder
Publisher: ASCE
Abstract: This study conducted wind tunnel tests to verify a passive jet flow control method for suppressing the aerodynamic force on a chamfered square cylinder at a moderate Reynolds number, focusing on the influence of the opening ...
Kinesiology-Inspired Assessment of Intrusion Risk Based on Human Motion Features
Publisher: American Society of Civil Engineers
Abstract: Intrusion behavior in hazardous areas is one of the major causes of construction safety accidents including falls from height and strikes by objects. Implementing automatic and preassessment of intrusions to enhance safety ...
Work–Rest Schedule Optimization of Precast Production Considering Workers’ Overexertion
Publisher: ASCE
Abstract: The production process of precast components is labor-intensive, involving various manual tasks. The physically demanding tasks usually result in fatigue and overexertion of workers, leading to increased occupational health ...
Crack Extension Resistance Curve of Concrete Considering Variation of FPZ Length
Publisher: American Society of Civil Engineers
Abstract: Owing to its importance in evaluating the fracture behavior of concrete, the crack extension resistance curve of concrete has been widely studied, both experimentally and theoretically. In this paper, a numerical approach ...
Experimental Study on the Bond Behavior of Reinforcing Bars Embedded in Concrete Subjected to Lateral Pressure
Publisher: American Society of Civil Engineers
Abstract: Owing to its importance in the design and assessment of steel-reinforced concrete structures, the bond behavior of reinforcing bars embedded in concrete has been widely investigated. In this paper, 91 specimens were cast ...
Scaling Analysis of the Unsteady Natural Convection Boundary Layer Adjacent to an Inclined Plate for Pr > 1 Following Instantaneous Heating
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The unsteady natural convection boundary layer adjacent to an instantaneously heated inclined plate is investigated using an improved scaling analysis and direct numerical simulations. The development ...