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RISMethods of Calculating Wind Loads on Long-Span Girder Bridges with Tall Piers and Comparison of Values
Publisher: American Society of Civil Engineers
Abstract: Calculating wind resistance is an important process in the design of highway bridges. The current codes of many countries include different rules and formulas regarding the calculation of wind resistance. In this paper, ...
Vortex-Induced Dynamic Response Analysis for the Submerged Floating Tunnel System under the Effect of Currents
Publisher: American Society of Civil Engineers
Abstract: This paper describes an investigation of vortex-induced vibrations in a submerged floating tunnel (SFT) system. A theoretical model for coupled tube-cable vibration was developed to evaluate the SFT structural dynamic ...
Cracking Mechanism and Simplified Design Method for Bottom Flange in Prestressed Concrete Box Girder Bridge
Publisher: American Society of Civil Engineers
Abstract: Serious cracking has occurred frequently in the bottom flange of box girders during construction in recent years. This paper aims at studying the cracking mechanism and countermeasures. The stress field in the bottom flange ...
Crack Width Calculation Methods of Reinforced Concrete Bridges and Application of Box Girder Bridge
Publisher: American Society of Civil Engineers
Abstract: Crack width calculation is an important part of concrete structure design. Due to many factors, the calculation formulas for crack width of concrete beam in various national standards are different from each other. In this ...
Factors Influencing Arsenite Removal by Zero-Valent Iron
Publisher: American Society of Civil Engineers
Abstract: The effects of pH, alkalinity, and mass transfer efficiency on the removal of arsenite [As(III)] by zero-valent iron (ZVI) were evaluated in this study. The optimum pH range for removal of As(III) was found to be between ...
Fluid–Vehicle–Tunnel Coupled Vibration Analysis of a Submerged Floating Tunnel Based on a Wake Oscillator Model
Publisher: ASCE
Abstract: The submerged floating tunnel (SFT) is a newly developed traffic structure for crossing the long waterway. On the basis of the vehicle–tunnel coupled vibration, the vortex-induced effect of the SFT in the water flow field ...
Effects of Heat Release Mode on Emissions and Efficiencies of a Compound Diesel Homogeneous Charge Compression Ignition Combustion Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A compound diesel homogeneous charge compression ignition (HCCI) combustion system has been developed based on the combined combustion strategies of multiple injection strategy and a mixing enhanced ...
Numerical Investigation of the Effect of Intake Closing Timing on Flow Field and Combustion Process in an Elliptical Rotary Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The aim of this research is to investigate the effect of intake closing timing (ICT) on the flow field and combustion process in elliptical rotary engines. The model that can accurately describe the working process of the ...
A Numerical Study on the Combined Effect of Midlatitude and Low-Latitude Systems on the Abrupt Track Deflection of Typhoon Megi (2010)
Publisher: American Meteorological Society
Abstract: n 2010, Supertyphoon Megi experienced an abrupt track deflection in the South China Sea (SCS) after traversing Luzon Island. To reveal the physical processes responsible for the timing and location of the sudden track ...
Multistep Probabilistic Forecasting Approach for Tunnel Boring Machine Cutterhead Torque and Thrust Based on VMD-BDNN
Publisher: American Society of Civil Engineers
Abstract: Accurate prediction of cutterhead torque and thrust is crucial for achieving efficient and safe propulsion of a tunnel boring machine (TBM). However, several uncertainties within the predictions of TBM parameters may ...