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RISInfluence of Smartphone Apps with Driving Safety Related Diagnosis Functions on Expressway Driving Speed Changes
Publisher: American Society of Civil Engineers
Abstract: An increasing number of smartphone apps with driving safety diagnosis functions have been developed in the market; however, empirical evidence on whether these apps are actually effective in promoting road safety or not ...
Improving Short-Term Precipitation Forecasting with Radar Data Assimilation and a Multiscale Hybrid Ensemble–Variational Strategy
Publisher: American Meteorological Society
Abstract: This paper presents a multiscale hybrid ensemble–variational (EnVar) data assimilation strategy with an hourly rapid update aiming to improve analysis of convection via radar observations and of convective environment via ...
Experimental Study of Interface Shear Characteristics of Pervious Concrete and Carbonated Soil in the MgO-Carbonated Composite Pile
Publisher: ASCE
Abstract: Regarding a novel and low-carbon composite pile, the MgO-carbonated composite pile (MCP) is formed by a pervious concrete pile (inner core) at the center of a deep magnesia (MgO) mixing column (outer core) subjected to ...
Small-Scale Irrigation: Improving Food Security under Changing Climate and Water Resource Conditions in Ethiopia
Publisher: American Society of Civil Engineers
Abstract: We develop a new systems modeling tool that integrates knowledge from hydrology, agriculture, and economics to understand the effect of small-scale irrigation on food security and groundwater sustainability in Ethiopia. ...
System Dynamics–Based Construction Risk Analysis of a Coastal Ribbon Landscape Project
Publisher: American Society of Civil Engineers
Abstract: Growing coastal populations intensify environmental stress and pollution. Effective coastal ecological landscape construction is essential for the revival and enhancement of marine ecosystems. Despite this, compared with ...
Influence of Axial Load Ratio on the Seismic Behavior of Steel Fiber–Reinforced Concrete Composite Shear Walls
Publisher: ASCE
Abstract: The seismic behavior of shear walls is significantly influenced by the axial load ratio (ALR), and a maximum ALR limit is generally specified by current seismic design code. To achieve improved performance under a high ...
Numerical and Experimental Investigation on Flow Capacity and Erosion Wear of Blooey Line in Gas Drilling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Blooey line is a discharge pipe, used to conduct gas to keep drilling rock dust and cuttings away from the drilling rig, reducing the fire hazard and transporting the cuttings to a suitable distance from the well. In this ...
Ethiopia’s Grand Renaissance Dam: Implications for Downstream Riparian Countries
Publisher: American Society of Civil Engineers
Abstract: Ethiopia has begun seriously developing their significant hydropower potential by launching construction of the Grand Ethiopian Renaissance Dam (GERD) on the Blue Nile River to facilitate local and regional growth. The ...
A Binary Microorganism Self-Healing Agent for Concrete Cracks Comprising <i>Bacillus pasteurii</i> and <i>Saccharomyces</i> <i>cerevisiae</i>
Publisher: ASCE
Abstract: The use of microbially induced calcium carbonate precipitation (MICP) to self-repair concrete cracks has received extensive attention. The production of mineralization precipitates reflects the repair capability of the ...
An Aerothermodynamic Analysis of Transonic Compressor Rotors Containing Three-Dimensional Shocks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Based on the basic aerothermodynamic equations in the differential and integral forms on an arbitrary stream surface in an arbitrary nonorthogonal curvilinear coordinate system derived in this ...