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RISImpact Behaviors of CFT and CFRP Confined CFT Stub Columns
Publisher: American Society of Civil Engineers
Abstract: Concrete-filled steel tube (CFT) structures are widely used in various types of buildings and bridges. Confined concrete tube (CCFT) is a new type of structural column originally proposed in previous work. This paper reports ...
A Nonlinear Artificial Intelligence Ensemble Prediction Model for Typhoon Intensity
Publisher: American Meteorological Society
Abstract: A new nonlinear artificial intelligence ensemble prediction (NAIEP) model has been developed for predicting typhoon intensity based on multiple neural networks with the same expected output and using an evolutionary genetic ...
Upper Bound of Seismic Active Earth Pressure on Gravity Retaining Wall with Limited Backfill Width
Publisher: American Society of Civil Engineers
Abstract: The failure mechanisms of backfill with limited width that is subjected to a co-application of earthquake force and surcharge formed by single and double wedges, respectively, were introduced to address the active earth ...
Time-Dependent and Stress-Dependent Chloride Diffusivity of Concrete Subjected to Sustained Compressive Loading
Publisher: American Society of Civil Engineers
Abstract: This paper studies the chloride diffusivity of concrete subjected to long-term exposure in a simulated marine environment with sustained compressive loading for up to 224 days. A series of concrete prisms were loaded under ...
Characterization of the Flocculation Process from the Evolution of Particle Size Distributions
Publisher: American Society of Civil Engineers
Abstract: A flocculator-imaging system was developed to characterize the dynamics of particle size distribution (PSD) during flocculation. The system consisted of a flocculator coupled with an external flow-through cell for observation ...
Research on High- and Low-Temperature Properties of Asphalt-Mineral Filler Mastic
Publisher: American Society of Civil Engineers
Abstract: In the asphalt mixtures, although asphalt is predominantly considered the binder holding the aggregates together, the actual product used to connect aggregate particles is the asphalt-mineral filler mastic which consists ...
Study on the Influential Factors in and the Optimization of Asphalt Mixture Scanning with X-Ray CT Technology
Publisher: American Society of Civil Engineers
Abstract: The effects of sample size, aggregate lithology, and compaction pattern on image scanning quality were determined using 225 kV industrial computer tomography equipment. Moreover, the scanning parameters of common Marshall ...
Time-Dependent and Stress-Dependent Chloride Diffusivity of Concrete Subjected to Sustained Compressive Loading
Publisher: American Society of Civil Engineers
Abstract: This paper studies the chloride diffusivity of concrete subjected to long-term exposure in a simulated marine environment with sustained compressive loading for up to 224 days. A series of concrete prisms were loaded ...
Validating Fatigue Safety Factor Calculation Methods for Cardiovascular Stents
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Evaluating risk of fatigue fractures in cardiovascular implants via nonclinical testing is essential to provide an indication of their durability. This is generally accomplished by experimental accelerated durability testing ...
Comparative Study on the Development Level of China’s Transportation Infrastructure
Publisher: ASCE
Abstract: In order to study the development status of China’s transportation infrastructure and regional development differences and to determine how to do a better job in transportation development planning, transportation investment ...