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RISTransverse Properties Prediction of Polymer Composites at High Strain Rates Based on Unit Cell Model
Publisher: American Society of Civil Engineers
Abstract: Mechanical properties of the polymer composites are rate-dependent. The representative volume element (RVE) of unidirectional composites considering the rate-dependent effect of polymers is established with the Improved ...
Investigation of Ultrahigh-Performance Concrete Fracture Characteristics with Different Steel Fiber Fractions Based on Acoustic Emission
Publisher: ASCE
Abstract: Three-point bending test and acoustic emission (AE) monitoring of notched beams with different volume fractions of steel fiber ultrahigh-performance concrete (UHPC) were carried out. The results show that the initiation ...
A Method of Optimizing the Work Schedule of Bus Drivers Based on Set Covering Theory
Publisher: American Society of Civil Engineers
Abstract: A work schedule optimization model of a bus route is proposed to minimize labor cost by optimizing the work schedule of bus drivers. The mathematical model is constructed using set covering theory to minimize the number ...
Identifying Unsafe Behavior of Construction Workers: A Dynamic Approach Combining Skeleton Information and Spatiotemporal Features
Publisher: ASCE
Abstract: Vision-based methods for action recognition are valuable for supervising construction workers’ unsafe behaviors. However, current monitoring methods have limitations in extracting dynamic information about workers. Identifying ...
Size Reduction of Cellulosic Biomass in Biofuel Manufacturing: A Study on Confounding Effects of Particle Size and Biomass Crystallinity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Biofuels derived from cellulosic biomass offer an alternative to petroleum-based liquid transportation fuels. In order to convert cellulosic biomass into biofuels, size reduction is a necessary ...
Analysis and Optimization of Simultaneous Nitrification, Denitrification, and Phosphorus Removal in Sequencing Batch Reactors for Sewage Treatment at High-Altitude Areas
Publisher: ASCE
Abstract: The biological treatment process in high-altitude areas faces the problems of low biological activities, high aeration energy consumption, and low treatment efficiency due to the low atmosphere pressure and consequently ...