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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/18893

Title: A Risk-based Evaluation of the Long-term Performance of Stormwater Infiltration Facilities
Authors: Sykes, Caitlin Elizabeth
Advisor: Adams, Barry J.
Department: Civil Engineering
Keywords: stormwater
filtration
trenches
infiltration
clogging
BMP
depth filtration
macroscopic model
filter performance
Issue Date: 15-Feb-2010
Abstract: Infiltration facilities are source control mechanisms that are implemented in urban developments with reduced natural permeable surfaces. Despite the development of design criteria for infiltration facilities, these systems continue to fail due to headloss development, overflow, or chemical breakthrough. The limited research on the long-term performance of these systems has emphasized the role of physical filtration mechanisms within porous media filters to address concerns surrounding system failure, namely filter clogging. A continuous macroscopic depth filtration model was developed to investigate the clogging potential of the underlying sand filter. This continuous model furthers the understanding of temporal and spatial changes in system performance for the development of more appropriate design criteria and more suitable maintenance regimes. The characterization of long-term system performance by defining three different failure modes and a probabilistic approach comprises a comprehensive methodology by considering several performance criteria rather than assuming that one criterion dictates the overall system performance.
URI: http://hdl.handle.net/1807/18893
Appears in Collections:Master
Department of Civil Engineering - Master theses

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