Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Hydrologic and Quality Control Performance of Zero-Exfiltration Pervious Concrete Pavement in Ontario
Flooding and poor surface water quality are common issues in dense urban areas, and the challenge of managing stormwater requires a more effective approach. This study evaluates the hydrologic and water quality performance of a three year old, zero exfiltration pervious concrete parking lot in an urban area of St. Catharines, Ontario. Pervious concrete pavement exhibited a more naturalized hydrologic response compared with conventional asphalt, with volume reductions, and lag times to peak for every event observed, despite the zero exfiltration design preventing any infiltration into native soils. Residual concentrations in the pervious concrete effluent were below Provincial Water Quality Objectives and Canadian Water Quality Objectives for the majority of pollutants; however, high pH and elevated levels of aluminum and chromium were detected in the discharge. The site is well suited for further research, and long-term monitoring would help to evaluate the effectiveness of zero exfiltration systems in cold climates.
Hydrologic and Quality Control Performance of Zero-Exfiltration Pervious Concrete Pavement in Ontario
Flooding and poor surface water quality are common issues in dense urban areas, and the challenge of managing stormwater requires a more effective approach. This study evaluates the hydrologic and water quality performance of a three year old, zero exfiltration pervious concrete parking lot in an urban area of St. Catharines, Ontario. Pervious concrete pavement exhibited a more naturalized hydrologic response compared with conventional asphalt, with volume reductions, and lag times to peak for every event observed, despite the zero exfiltration design preventing any infiltration into native soils. Residual concentrations in the pervious concrete effluent were below Provincial Water Quality Objectives and Canadian Water Quality Objectives for the majority of pollutants; however, high pH and elevated levels of aluminum and chromium were detected in the discharge. The site is well suited for further research, and long-term monitoring would help to evaluate the effectiveness of zero exfiltration systems in cold climates.
Hydrologic and Quality Control Performance of Zero-Exfiltration Pervious Concrete Pavement in Ontario
Crookes, Adam J. (Autor:in) / Drake, Jennifer A. P. (Autor:in) / Green, Mark (Autor:in)
13.04.2017
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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