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Title: Hydraulic Characteristics of Fully Developed Flow in Circular Culverts
Authors: Kehler, Nicholas Jon
Supervisor: Clark, Shawn (Civil Engineering)
Examining Committee: Stadnyk, Tricia (Civil Engineering) Tachie, Mark (Mechanical & Manufacturing Engineering)
Graduation Date: October 2009
Keywords: culvert
fish passage
development length
log law
Issue Date: 14-Sep-2009
Abstract: Throughout the world, particularly in countries such as Canada, water crossings are a significant part of the infrastructure system. Since corrugated metal pipe culverts are an inexpensive choice, as well as hydraulically efficient, they are a very appealing option to designers. To ensure that the natural ecosystem is not adversely affected, culverts must be designed so that throughout the year fish can migrate upstream. Current design regulations are based on the average velocity within the culvert and the prolonged swimming speed of the fish species present. In order to examine the validity of this approach, a physical modeling study was undertaken using a circular CMP culvert. It was found that there is significant cross sectional area below average velocity, and that gravel embedment further increases this area. In addition, a technique was developed that produced very agreeable streamwise velocity predictions over a two dimensional cross section in the developed region.
Appears in Collection(s):FGS - Electronic Theses & Dissertations (Public)

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