Inspections of Previously Monitored Coastal Structures.

Bottin, Robert R.; Tolliver, Larry R.

doi:10.21236/ada361025

Cited by 2 publications

(3 citation statements)

References 7 publications

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“…They also found 33 broken dolosse cast in 1974. Bottin and Tolliver (1999) and Bottin et al (2004) found no additional breakage over the 1993 survey. However, their surveys were limited to casual observations from on-site and careful comparison with aerial photographs.…”

Section: Broken Armor Unit Surveymentioning

confidence: 91%

“…Baseline surveys were reported. Melby and Turk (1995), Markle et al (1995), Appleton et al (1996), Bottin and Tolliver (1999), and Melby (2002) discussed continued monitoring of the dolosse under the Periodic Inspections work unit as well as monitoring specifically for the San Francisco District. Monitoring has included wave climate, dolos movement and breakage, stress measurement within selected dolosse, and coring of dolosse for strength tests.…”

Section: History Of Crescent City Dolos Monitoringmentioning

confidence: 99%

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Monitoring of Dolos Armor Units at Crescent City, California

Myrick¹,

Melby²

2005

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Crescent City breakwater is located on the California coastline approximately 17 miles south of the Oregon border. In 1974 and again in 1986, dolosse were placed along a section of the breakwater particularly susceptible to damage. Monitoring of above water dolosse moment and breakage has been conducted since 1986. In August of 2004, a detailed monitoring survey was conducted of the dolos section of the Crescent City breakwater. The goal of this monitoring is to understand the long-term structural response of the dolosse. Detailed monitoring included ground surveys, aerial photography, photogrammetric analysis, and a broken armor unit survey. Results showed very little dolos movement has occurred since the end of the initial nesting period in 1988. Furthermore, no additional dolos breakage was observed since 1993. From 1995 to 1999, core samples were obtained from dolosse cast in 1986 and in 1974 in order to determine the in-situ strength of units in both non-loaded (near concrete cap) and highly loaded regions (near still water level) of the structure. The cores were subjected to standard laboratory concrete strength tests. Results indicated that the structural strength has increased considerably since construction for non-loaded units. However, concrete strength for units placed in highly loaded units near the still water level was near constant.

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Section: Broken Armor Unit Surveymentioning

confidence: 91%

Section: History Of Crescent City Dolos Monitoringmentioning

confidence: 99%

Monitoring of Dolos Armor Units at Crescent City, California

Myrick¹,

Melby²

2005

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“…Results of the walking inspection and suggestions are summarized by Bottin and Tolliver (1999) as follows:…”

Section: Cleveland Harbor East Breakwater 1997 Periodic Inspections Wmentioning

confidence: 99%

Periodic Inspections of Cleveland Harbor East Breakwater, Ohio, and Burns Harbor North Breakwater, Indiana

Myrick¹,

Melby²,

Burg³

2015

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The U.S. Army Engineer Research and Development Center (ERDC) solves the nation's toughest engineering and environmental challenges. ERDC develops innovative solutions in civil and military engineering, geospatial sciences, water resources, and environmental sciences for the Army, the Department of Defense, civilian agencies, and our nation's public good. Find out more at www.erdc.usace.army.mil. To search for other technical reports published by ERDC, visit the ERDC online library at http://acwc.sdp.sirsi.net/client/default.

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Inspections of Previously Monitored Coastal Structures.

Cited by 2 publications

References 7 publications

Monitoring of Dolos Armor Units at Crescent City, California

Monitoring of Dolos Armor Units at Crescent City, California

Periodic Inspections of Cleveland Harbor East Breakwater, Ohio, and Burns Harbor North Breakwater, Indiana

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