The U.S. Army Corps of Engineers administers a research program known as the Monitoring of Completed Coastal Projects (MCCP) Program. A periodic monitoring program is carried out under the “Periodic Inspections” work unit of this program. Projects are selected for monitoring based on previous monitoring and/or those having unique design features that have probable application to other projects. The breakwater at Crescent City, CA, was rehabilitated in 1986 using 42-ton dolosse. During the rehabilitation, 20 dolosse were instrumented to measure loadings and armor unit motion. This instrumentation and subsequent monitoring were carried out as part of the Crescent City Prototype Dolosse Study (CCPDS). Near the end of the CCPDS it was noted that dolos movement was subsiding, but static loads were still showing increases. For this reason, a lower-level monitoring effort, relative to CCPDS, was initiated and carried out during the period 1989-1993 to define the longer term trends in dolos movement, breakage and static stresses.
Periodic Inspections of Dolosse on Crescent City Breakwater, Crescent City, California. Report 1, Monitoring Data for Period 1989-1993
Technical Report ; CERC-95-5 rept.1.
1995
9475436
Report
Electronic Resource
English
Breakwater Rehabilitation Study, Crescent City Harbor, California: Coastal Model Investigation
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