Repair, Evaluation, Maintenance, and Rehabilitation Research Program: Underwater Inspection of Coastal Structures Using Commercially Available Sonars PDF Download
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Author: William M. Kucharski
Publisher:
ISBN:
Category :
Languages : en
Pages : 30
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Book Description
A general introduction to side scan sonar (SSS) and its uses in coastal engineering studies is given, including some operating rules-of-thumb and suggestions based on the author's experience. There is also a section evaluating several systems currently on the market. SSS is a valuable tool for coastal engineering, with uses likely to multiply as the technology and our experience with it improve. However, quantitative applications are limited. Information on structure slopes, condition of individual armor units, and percent of units displaced (to name a few examples) is not currently measurable in a repeatable, quantitative way. Nevertheless, the semiquantitative sonograph record can be very informative, particularly to someone who has developed a familiarity with the structure or feature being viewed from repeated SSS surveys. It is a safer, and in many cases, superior alternative to visual inspection by divers, especially in murky water. Keywords: Coastal structure inspection; REMR(Repair, Evaluation, Maintenance, and Rehabilitation); Side scan sonar; Underwater inspection. (jhd).
Author: William M. Kucharski
Publisher:
ISBN:
Category :
Languages : en
Pages : 30
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Book Description
A general introduction to side scan sonar (SSS) and its uses in coastal engineering studies is given, including some operating rules-of-thumb and suggestions based on the author's experience. There is also a section evaluating several systems currently on the market. SSS is a valuable tool for coastal engineering, with uses likely to multiply as the technology and our experience with it improve. However, quantitative applications are limited. Information on structure slopes, condition of individual armor units, and percent of units displaced (to name a few examples) is not currently measurable in a repeatable, quantitative way. Nevertheless, the semiquantitative sonograph record can be very informative, particularly to someone who has developed a familiarity with the structure or feature being viewed from repeated SSS surveys. It is a safer, and in many cases, superior alternative to visual inspection by divers, especially in murky water. Keywords: Coastal structure inspection; REMR(Repair, Evaluation, Maintenance, and Rehabilitation); Side scan sonar; Underwater inspection. (jhd).
Author: William M. Kucharski
Publisher:
ISBN:
Category : Coastal engineering
Languages : en
Pages : 32
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Book Description
Author: William M. Kucharski
Publisher:
ISBN:
Category : Coastal engineering
Languages : en
Pages : 34
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Book Description
Author: United States. Army. Corps of Engineers
Publisher: Washington, DC : U.S. Army corps of Engineers, Waterways Experiment Station
ISBN:
Category : Coastal Structure Acoustic Raster Scanning (CSARS) System
Languages : en
Pages : 0
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Book Description
This report discusses research conducted to investigate and develop hydrographic survey equipment for objective, detailed, and quantitative definition of the underwater shape of coastal structures. The research included development of and investigation of the Coastal Structure Acoustic Raster Scanner (CSARS) system. Although much information was gained from CSARS development, the capabilities of commercially available multibeam systems like the SeaBat 9001 multibeam sonar system surpassed the still prototype CSARS. Therefore, this investigation concentrated on multibeam sonar systems, and field demonstrations and trials were conducted with the SeaBat system. The SeaBat system was successful in providing accurate, high resolution hydrographic data on the underwater condition of various structures. With multibeam sonar systems, it is now possible to have types of survey information that were previously impractical to obtain or were unattainable, leading to safer, more cost effective management of coastal structures over their lifetimes.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author:
Publisher:
ISBN:
Category : Public works
Languages : en
Pages : 12
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Book Description
Author: Terri L. Prickett
Publisher:
ISBN:
Category : Coastal Structure Acoustic Raster Scanning (CSARS) System
Languages : en
Pages : 46
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Book Description
Author: U.S. Army Engineer Waterways Experiment Station
Publisher:
ISBN:
Category : Coastal engineering
Languages : en
Pages : 408
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Book Description
Author: Donald E. Plotkin
Publisher:
ISBN:
Category :
Languages : en
Pages : 38
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Book Description
This is an initial report on the development of a basic system for uniformly evaluating the condition of breakwaters and jetties of all--or primarily--rubble construction with either rock or concrete armor. This system is based on visual inspection and uses numbers on a scale from 0 (worst) to 100 (best) to represent the relative condition of the structures. The process begins by assessing the crest (or cap), seaside, and leeside of each reach (section) of a structure according to a standard list of structural aspects. This assessment, in turn, leads to ratings for the seaside and leeside slopes and crest of the reach. Then, the reach ratings are combined to give a single, overall condition rating for the whole structure. The condition rating system considers both structural and functional aspects of the structures. The intent of this system is to provide a consistent method for evaluating condition that supplies numerical condition descriptors that can be handled easily on a microcomputer. This numerical system aids in the maintenance planning process by permitting the condition to be monitored over time and by allowing a relative condition comparison between structures.
Author: Walter E. Pankow
Publisher:
ISBN:
Category :
Languages : en
Pages : 62
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Book Description
The navigation projects of America have been the focus of a study to develop new and improved technology for repair and rehabilitation of estuarine and riverine deep- and shallow-draft training structures. Establishment of the Corps of Engineers Repair, Evaluation, Maintenance, and Rehabilitation Research (REMR) program has been the basis for the development of methods for detecting scour damage at these structures, setting up rationale for defining damaging scour, and identifying and evaluating techniques and equipment for repair of such damage. This report, a bibliography, is to serve as a reference base. It is divided into three categories: General Overview, Scour and Scour Damage, and Repair Techniques.
