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Fatigue Crack Assessment for Orthotropic Steel Deck Based on Compound Poisson Process
Publisher: ASCE
Abstract: This study presents a crack propagation stochastic process model for orthotropic steel deck (OSD) based on the structural health monitoring (SHM) data. An inhomogeneous compound Poisson process model, which is integrated ...
Simplified Simulation Method for Hysteretic Behavior of Wood Brackets
Publisher: ASCE
Abstract: Because of its high historical, cultural, and scientific value, wooden architectural heritage in East Asia requires comprehensive protection. The dou-gong (bracket set) is an essential member in ancient Chinese wooden ...
Advanced Reduction Processes for Degradation of Refractory Organics in Landfill Leachate
Publisher: ASCE
Abstract: Hydroxyl radicals generated from advanced oxidation processes (AOPs) are broadly applied to mitigation of refractory organics in landfill leachate. However, following treatment by AOPs, the wastewater still contains highly ...
Structural Parameter Identification of Ancient Stone Arch Bridge via Three-Dimensional Laser Ranger Scanning
Publisher: ASCE
Abstract: Stone arch bridges are symbols of a shared civil engineering heritage worldwide, but they suffer from damage caused by various natural disasters that have occurred during their long service. The basis of ancient bridge ...
Nondestructive Tree Planting for Reducing the Wind Loads of a Historical Wooden Pagoda
Publisher: American Society of Civil Engineers
Abstract: Historical wooden pagodas are found in several Asian countries and are considered priceless world heritage values due to their majestic appearance and exquisite manufacturing techniques. Over time, the structure may occur ...
Fatigue Reliability Assessment for Orthotropic Steel Deck Details Using Copulas: Application to Nan-Xi Yangtze River Bridge
Publisher: American Society of Civil Engineers
Abstract: In this study, the correlation between the fatigue equivalent stress and the stress cycle was considered using the copula function in the fatigue reliability assessment. In most earlier studies, the variables for the fatigue ...
Reliability Assessment of Concrete under Chloride Penetration and Fatigue Loading Based on Copula Function
Publisher: ASCE
Abstract: The reliability of concrete in complex environments is the basis for improving the reliability of concrete structures. A concrete reliability assessment based on multiple degradation factor is proposed. First, chloride ...
Aluminum-Impregnated Biochar for Adsorption of Arsenic(V) in Urban Stormwater Runoff
Publisher: American Society of Civil Engineers
Abstract: Biochar has recently emerged for the alleviation of various pollutants in urban runoff. However, the adsorption of arsenate (a frequently identified pollutant in urban runoff) with biochar is typically poor. In this study, ...
Fatigue Performance of Orthotropic Steel Decks with FRP Angles: Field Measurement and Numerical Analysis
Publisher: American Society of Civil Engineers
Abstract: Rib-to-deck joints in orthotropic steel decks (OSDs) are among the most fatigue-prone details of steel bridges. To improve the fatigue performance of existing bridges with OSDs, a strengthening method using externally ...
Automatic Modal Frequency Identification of Bridge Cables under Influence of Abnormal Monitoring Data
Publisher: American Society of Civil Engineers
Abstract: Automatic identification of modal frequencies can be used to directly estimate the real-time tension force of bridge cables and provide early damage alarming. However, a large amount of abnormal monitoring data usually ...
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