Reef Breakwater Design for Lake Michigan Marina

by Jack C. Cox, CH2M Hill, Bellevue, United States,



Document Type: Proceeding Paper

Part of: World Marina '91

Abstract: An innovative breakwater concept consisting of a conventional breakwater and a submerged-reef breakwater operating in tandem has been designed for the southern end of Lake Michigan. The tandem breakwater system was found to cost $1 million less to build than a single structure designed to meet the same operating criteria. Because of the depth-limiting behavior of the reef, the tandem design possesses a lower design risk for extreme events. This paper provides a summary of the design development and physical model testing results for the concept.

Subject Headings: Breakwaters | Reefs and sills | Lakes | Ports and harbors | Model tests | Physical models | Water waves | Light rail transit | Submerging | Innovation | Lake Michigan | Michigan | North America | United States

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