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RISExperimental and Numerical Analysis of the Fire Resistance of Reinforced Geopolymer Concrete Beams
Publisher: American Society of Civil Engineers
Abstract: Geopolymer concrete is a green building material, and related research has been focused on the material level, with relatively few experimental studies conducted at the structural component level. In this paper, full-size ...
Examining Fate and Transport of Heavy Metal in Landfill Site through Numerical Environmental Multimedia Modeling Approach
Publisher: ASCE
Abstract: In this study, the environmental multimedia model (EMM) is extended for assessing the heavy metal in a contaminated site. Using numerical analysis, the EMM is advanced as a numerical EMM system (NEMMS) including three ...
Multiobjective Optimization of Sensor Placement for Precipitation Station Monitoring Network Design
Publisher: ASCE
Abstract: An optimal sensor placement of a precipitation station network should fulfill different regulations and requirements, such as coverage maximization, easy access, and uniform distribution. However, few studies have focused ...
Comparative Analysis of Transient Thermodynamic Performance for the Parabolic-Trough Photothermal Conversion Technology
Publisher: ASCE
Abstract: The intermittent nature of solar energy poses a great challenge to the parabolic trough collector (PTC) technology. Although PTC technology is mature in application, its thermodynamic performance in transient processes is ...
Comparing Impacts of Access and Egress Distances on Transit Commute Mode Choices in Shanghai Based on the Zone-Based and Node-Based Measures
Publisher: American Society of Civil Engineers
Abstract: Access/egress distance of public transit is a crucial metric for planning, modeling, and evaluating public transit networks. Commuters' willingness to use public transit is also influenced by access/egress distance. The ...
Safety Risks and Protection Measures for City Wall during Construction and Operation of Xi’an Metro
Publisher: ASCE
Abstract: The Xi’an City Wall (XCW) is a typical ancient building in Xi’an that is well known for its history and culture. The Xi’an Metro crosses below the XCW at various locations, which may pose hazards of cracking or collapsing ...
Electromagnetic Energy Harvester for Vibration Control of Space Rack: Modeling, Optimization, and Analysis
Publisher: American Society of Civil Engineers
Abstract: A space rack suffers from shock and broadband random loads during shipment and launch, which may lead to irreversible damage until the spacecraft reaches final orbit. This paper presents a novel dual-functional electromagnetic ...
Causes, Risk Analysis, and Countermeasures of Urban Road Collapse in China from 2019 to 2020
Publisher: ASCE
Abstract: Urban road collapse seriously threatens people’s lives and property. In recent years, with the accelerating pace of urbanization in China, the number of road collapse accidents (RCAs) has been increasing. Based on 334 RCAs ...
Settlement Characteristics of Jacked Box Tunneling underneath a Highway Embankment
Publisher: American Society of Civil Engineers
Abstract: The rapid expansion of urban road systems inevitably results in engineering challenges when new road construction requires the safe crossing of existing roads. Therefore, there has been increased interest in box culvert ...
Baroclinic Characteristics and Energetics of Annual Rossby Waves in the Southern Tropical Indian Ocean
Publisher: American Meteorological Society
Abstract: The first baroclinic mode Rossby wave is known to be of critical importance to the annual sea level variability in the southern tropical Indian Ocean (STIO; 0°–20°S, 50°–115°E). In this study, an analysis of continuously ...