ANSWAPPS: Model for the Analysis of Grass Swale-Perforated Pipe Systems
Publication: Journal of Irrigation and Drainage Engineering
Volume 133, Issue 3
Abstract
A computer model for the analysis and design of grass swale perforated pipe systems is presented. The model, which was calibrated and validated using experimental as well as field data, performs detailed computations for flow through the system on a lot by lot basis (i.e., from one catchbasin to another). Several parameters affecting the system performance are considered in the modeling approach. These especially included lot size and imperviousness, grass swale dimensions and its infiltration capacity, pipe length, number of orifices and their configuration, trench dimensions, and native soil infiltration capacity. The model was used to simulate the minimum trench depth required to capture runoff from a storm for different native soils and different lot imperviousness ratios. Trench depths varied from 0.3 to depending on native soil infiltration capacity and lot imperviousness.
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Acknowledgments
The research presented in this paper resulted from a study undertaken by Paul Wisner and Associates Inc. (Water Resources and Environmental Consultants) for the Ontario (Canada) Ministry of Environment addressing its needs in the area of stormwater contaminant reduction techniques and the evaluation of groundwater recharge technologies.
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Information & Authors
Information
Published In
Journal of Irrigation and Drainage Engineering
Volume 133 • Issue 3 • June 2007
Pages: 211 - 221
Copyright
© 2007 ASCE.
History
Received: May 5, 2005
Accepted: Sep 29, 2006
Published online: Jun 1, 2007
Published in print: Jun 2007
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