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RISGravimetric and Number Distributions of Urban PM Residuals from Urban Maintenance Practices
Publisher: ASCE
Abstract: Particulate matter (PM) recovery from street sweeping (SS), catch basin (CB), and unit operation (UO) is essential for sustainability of these urban hydrologic functional units (HFUs). PM inventory in HFUs is of increasing ...
A Method for Producing Extra-High Dynamic Pressure Due to the Efficient Use of High Explosive
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the material processing such as shock synthesis and powder consolidation by shock waves the method for generating dynamic pressure is a vital factor for the quality of the final recovered ...
Decision Model for Justifying the Benefits of Detour Operation under Non-Recurrent Congestion
Publisher: American Society of Civil Engineers
Abstract: Non-recurrent traffic congestion due to incidents, highway construction zones, and special events has contributed up to 60% of the total freeway corridor delay in the United States. Under most scenarios, if proper diversion ...
Empirical Study of Driver Responses during the Yellow Signal Phase at Six Maryland Intersections
Publisher: American Society of Civil Engineers
Abstract: This paper presents the analysis results of driver responses during a yellow phase, based on field observations of 1,123 drivers collected with a specially designed system from six signalized intersections of high crash ...
Estimation of Urban Transportation Network Capacity Considering Traveler Road Preferences
Publisher: American Society of Civil Engineers
Abstract: Network capacity is one of the most important ways to measure the transportation system’s capacity to accommodate traffic demand. This paper presents an approach to estimate the capacity of urban transportation network ...
Investigating the Impacts of Green Signal Countdown Devices: Empirical Approach and Case Study in China
Publisher: American Society of Civil Engineers
Abstract: This paper presents an extensive investigation regarding the impacts of green signal countdown devices (GSCD) on the intersection safety and efficiency, based on field observation of critical driver and vehicle related ...
Influence of Pea-Gravel Layer on Segment Ring Support Performance in Shield TBM Tunnels: A Discrete-Continuous Coupling Simulation and Model Test
Publisher: ASCE
Abstract: In shield tunnel boring machine (TBM) tunnel construction, grouted pea gravel is used to fill gaps between the surrounding rock and segment rings, acting as a connecting layer that significantly impacts the support performance ...
Multicolumn Self-Attention GRU Model for Intersection Vehicle Trajectory Prediction
Publisher: American Society of Civil Engineers
Abstract: Trajectory prediction plays a crucial and indispensable role in autonomous driving, enhancing safety and reliability, particularly in complex intersections with variable vehicle trajectories. This study aims to investigate ...
Dynamic Analysis and Counterweight Optimization of the 2-DOF Parallel Manipulator of a Hybrid Machine Tool
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper focuses on the dynamic modeling and counterweight optimization of the two degree of freedom planar parallel manipulator, which is a subpart of a hybrid machine tool. Based on a ...
Empirical Behavioral Study of Airport-Serving Taxi Drivers Using Automatic Vehicle Location Data
Publisher: American Society of Civil Engineers
Abstract: Many taxi drivers are willing to travel to the airport empty to pick up customers despite the much longer driving distance and waiting times. The underlying assumption of such behavior is the higher profits perceived by ...