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Assessment of a Soft Sensor Approach for Determining Influent Conditions at the MWRDGC Calumet WRP
Publisher: American Society of Civil Engineers
Abstract: Many older water reclamation plants (WRPs) are implementing model-based process control to satisfy increasingly stringent effluent requirements while they lower energy costs, but these methods require reliable process ...
Robust Machine Tool Thermal Error Modeling Through Thermal Mode Concept
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Thermal errors are among the most significant contributors to machine tool errors. Successful reduction in thermal errors has been realized through thermal error compensation techniques in the ...
Defining Influent Scenarios: Application of Cluster Analysis to a Water Reclamation Plant
Publisher: American Society of Civil Engineers
Abstract: Process control at older water reclamation plants (WRPs) can be challenging as operators work to balance higher energy costs and more stringent effluent limitations while managing fluctuating loads. To better understand ...
Margin of Safety in TMDLs: Natural Language Processing-Aided Review of the State of Practice
Publisher: ASCE
Abstract: The margin of safety (MOS) accounts for uncertainties in the total maximum daily load (TMDL) development process and the variabilities involved in simulating systems, providing a complete description of the degree of ...
Hurricane Ida (2021): Rapid Intensification Followed by Slow Inland Decay
Publisher: American Meteorological Society
Abstract: Hurricane Ida recently became one of the strongest hurricanes to hit Louisiana on record, with an estimated landfalling maximum sustained wind of 130 kt (1 kt ≈ 0.51 m s
A New Approach of Reliability Design For Creep Rupture Property
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Generally, creep rupture data of a heat-resistant steel can be compressed into a narrow band by using a temperature-time parametric method such as the Larson–Miller or Manson–Haferd method. In ...
Field Tests of Offshore Driven Piles Subjected to Lateral Monotonic and Cyclic Loads in Soft Clay
Publisher: American Society of Civil Engineers
Theoretical Models for the Borehole Pressure of Air-Decoupled Charge with Discontinuous Interface Conditions
Publisher: ASCE
Abstract: The borehole pressure of the rock mass under blasting under consideration is essentially the pressure of the transmitted shock wave acting on the borehole wall. Its value directly affects the fragmentation degree and damage ...
Biaxial Constitutive Models for Simulation of Low-Aspect-Ratio Reinforced Concrete Shear Walls
Publisher: ASCE
Abstract: A novel biaxial finite-element (FE) model is proposed and validated by a total of 32 reinforced concrete (RC) shear walls with aspect ratio below 1.5. First, a biaxial concrete model package, which was previously developed ...
Hurricanes Laura and Sally: A Case Study of Evacuation Decision-Making in the Age of COVID-19
Publisher: American Meteorological Society
Abstract: This study examines risk perceptions and evacuation planning for those residents affected by Hurricane Laura—the first major hurricane evacuation during the COVID-19 pandemic—and Hurricane Sally, prior to the widespread ...