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RISSwirl Technology: Enhancement of Design, Evaluation, and Application
Publisher: American Society of Civil Engineers
Abstract: While different forms of swirl and vortex technologies have been developed during the last thirty years, their major function has been the dual purpose of flow regulation and settleable-solids concentration for combined ...
Control Strategy for Storm-Generated Sanitary-Sewer Overflows
Publisher: American Society of Civil Engineers
Abstract: This paper presents a strategy for the abatement of pollution from storm-generated sanitary-sewer overflows (SSO). Because of the great lengths of sanitary sewer systems, it is often less expensive to use alternatives to ...
Optimization of CSO Storage and Treatment Systems
Publisher: American Society of Civil Engineers
Abstract: Combined-sewer overflow (CSO) must be controlled by a storage-treatment system because storm flow in the combined sewerage system is intermittent and highly variable in both pollutant concentration and flow rate. A treatment ...
Sewer-Sediment Control: Overview of an Environmental Protection Agency Wet-Weather Flow Research Program
Publisher: American Society of Civil Engineers
Abstract: This paper presents a historical overview of the sewer sediment control projects conducted by the Wet-Weather Flow Research Program of the United States Environmental Protection Agency. The research presented includes ...
Gate and Vacuum Flushing of Sewer Sediment: Laboratory Testing
Publisher: American Society of Civil Engineers
Abstract: The objective of this study was to test the performance of a traditional gate-flushing device and a newly designed vacuum-flushing device in removing sediment from combined sewers and CSO storage tanks. A laboratory hydraulic ...
Editorial
Publisher: American Society of Civil Engineers
Estimating the Probability Distribution of von Mises Stress for Structures Undergoing Random Excitation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The von Mises stress is often used as the metric for evaluating design margins, particularly for structures made of ductile materials. For deterministic loads, both static and dynamic, the ...
Investigation of Dry‐Weather Pollutant Entries into Storm‐Drainage Systems
Publisher: American Society of Civil Engineers
Abstract: This article describes the results of a series of research tasks to develop a procedure to investigate non‐storm‐water (dry‐weather) entries into storm‐drainage systems (Pitt et al. 1993a, 1993b). Dry‐weather flows discharging ...
Cost Comparison of Conventional Gray Combined Sewer Overflow Control Infrastructure versus a Green/Gray Combination
Publisher: American Society of Civil Engineers
Abstract: This paper outlines a life-cycle cost analysis comparing a green (rain gardens) and gray (tunnels) infrastructure combination to a gray-only option to control combined sewer overflow in the Turkey Creek Combined Sewer ...
Sewer and Tank Flushing for Sediment, Corrosion, and Pollution Control
Publisher: American Society of Civil Engineers
Abstract: This paper presents an overview of causes of sewer deterioration together with a discussion of control methods that can prevent or arrest this deterioration. In particular, this paper covers inline and combined sewer ...