Periodic Inspection of Ofu Harbor Breakwater, American Samoa PDF Download
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Author: Robert R. Bottin
Publisher:
ISBN:
Category : Breakwaters
Languages : en
Pages : 48
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Book Description
Author: Robert R. Bottin
Publisher:
ISBN:
Category : Breakwaters
Languages : en
Pages : 48
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 47
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Book Description
Selected coastal navigation structures are periodically monitored under the "Periodic Inspections" work unit of the Monitoring Completed Navigation Projects Program. Such monitoring is done to gain an understanding of the long-term structural response of unique structures to their environment. Periodic data sets are used to improve knowledge in design, construction, and maintenance of both existing and proposed coastal navigation projects. The Ofu Harbor breakwater, American Samoa, was nominated for periodic monitoring by the U.S. Army Engineer District, Honolulu. The positions of the above-water, concrete armor units (tribars) on the breakwater were initially obtained in 1996 through ground surveys, aerial photography, and photogrammetric analysis. The structure was revisited in 2002 to determine changes that had occurred. Results indicated negligible movement of the concrete armor units and no armor unit breakage. The site will again be revisited in the future and long-term structural response of the structure to its environment will continue to be tracked. This data will facilitate engineering decisions concerning whether or not closer surveillance and/or repair of the breakwater might be required to reduce its chance of failing catastrophically. The periodic inspection methods developed and validated for the Ofu Harbor breakwater may also be used to gain insight into other Corps structures.
Author:
Publisher: DIANE Publishing
ISBN: 1428911073
Category :
Languages : en
Pages : 65
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Book Description
Author: George F. Turk
Publisher:
ISBN:
Category : Breakwaters
Languages : en
Pages : 40
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 1950
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Book Description
Author: United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Publisher:
ISBN:
Category : Energy development
Languages : en
Pages : 1960
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Book Description
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 458
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Book Description
Author: Dano Roelvink
Publisher: World Scientific
ISBN: 9814304255
Category : Science
Languages : en
Pages : 291
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Book Description
Process-based morphodynamic modelling is one of the relatively new tools at the disposal of coastal scientists, engineers and managers. On paper, it offers the possibility to analyse morphological processes and to investigate the effects of various measures one might consider to alleviate some problems. For these to be applied in practice, a model should be relatively straightforward to set up. It should be accurate enough to represent the details of interest, it should run long enough and robustly to see the real effects happen, and the physical processes represented in such a way that the sediment generally goes in the right direction at the right rate. Next, practitioners must be able to judge if the patterns and outcomes of the model are realistic and finally, translate these colour pictures and vector plots to integrated parameters that are relevant to the client or end user. In a nutshell, this book provides an in-depth review of ways to model coastal processes, including many hands-on exercises.
Author: Malcolm Ross
Publisher: Anu Press
ISBN:
Category : History
Languages : en
Pages : 430
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Book Description
This is the second in a series of five volumes on the lexicon of Proto Oceanic, the ancestor of the Oceanic branch of the Austronesian language family. Each volume deals with a particular domain of culture and/or environment and consists of a collection of essays each of which presents and comments on lexical reconstructions of a particular semantic field within that domain. Volume 2 examines how Proto Oceanic speakers described their geophysical environment. An introductory chapter discusses linguistic and archaeological evidence that locates the Proto Oceanic language community in the Bismarck Archipelago in the late 2nd millennium BC. The next three chapters investigate terms used to denote inland, coastal, reef and open sea environments, and meteorological phenomena. A further chapter examines the lexicon for features of the heavens and navigational techniques associated with the stars. How Proto Oceanic speakers talked about their environment is also described in three further chapters which treat property terms for describing inanimate objects, locational and directional terms, and terms related to the expression of time.
Author: Robert G Dean
Publisher: World Scientific Publishing Company
ISBN: 9814365696
Category : Technology & Engineering
Languages : en
Pages : 369
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Book Description
This book is intended as an introduction to classical water wave theory for the college senior or first year graduate student. The material is self-contained; almost all mathematical and engineering concepts are presented or derived in the text, thus making the book accessible to practicing engineers as well.The book commences with a review of fluid mechanics and basic vector concepts. The formulation and solution of the governing boundary value problem for small amplitude waves are developed and the kinematic and pressure fields for short and long waves are explored. The transformation of waves due to variations in depth and their interactions with structures are derived. Wavemaker theories and the statistics of ocean waves are reviewed. The application of the water particle motions and pressure fields are applied to the calculation of wave forces on small and large objects. Extension of the linear theory results to several nonlinear wave properties is presented. Each chapter concludes with a set of homework problems exercising and sometimes extending the material presented in the chapter. An appendix provides a description of nine experiments which can be performed, with little additional equipment, in most wave tank facilities.
