148 resultados para Number States
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In the past 10 years, the use of floating breakwaters as temporary coastal structures has become increasingly widespread in the United States as an inexpensive means for suppressing waves. However, as with any new technology, there have been many failures and a substantial number of imaginative, successful innovations. One of the chief problems contributing to the failure rate has been a lack of awareness by designers of reliable, up-to-date technical information. As part of a large research effort to remedy this problem, a survey was conducted on field experience with floating breakwaters in the Eastern United States. Results of the survey confirmed that state-of-the-art technical literature is not being properly disseminated. Structures built according to early design manuals were shown to have failed before the completion of their design life. Conversely, floating breakwaters built to the standards set by recent research have fared well and show promise of meeting their design golas. The weakest areas of the present technology are flotation and the anchoring systems. It is recommended that a concentrated research effort be directed toward these problem areas; it is also recommended that the monitoring of state-of-the-art projects continue. (Author).
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Hearings held Aug. 23, 1961- December 6, 1961.
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Mode of access: Internet.
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Mode of access: Internet.
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"April 1980."
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At head of title: Department of commerce. Bureau of the census ... Sam. L. Rogers, director. Resigned April 13, 1921. W. M. Steuart, director. Appointed April 14, 1921.
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"DOT-P-10-80-22"--Cover.
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Mode of access: Internet.
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Lithographed.
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Numbering began with 15th Congress, as the publications of the earlier congresses were not assembled in book form.
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Mode of access: Internet.
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"Designed to supplement the series of unit courses for beginners in machine shop practice."--Pref.