Ship Structure Committee Publishes Two New Reports

The Ship Structure Committee has recently published two new reports dealing with structural details and tolerances common to the commercial and naval shipbuilding industry. These reports should be valuable guides to both structural designers and shipyard personnel.

SSC-272, "In-Service Performance of Structural Details," catalogues various structural design details used in marine construction and their performance, based on the examination of 50 different ships undergoing repairs or periodic surveys. This information should be invaluable as an aid to engineers and designers, since failure causes such as design, fabrication, maintenance, or operation are postulated.

SSC-273, "Survey of Structural Tolerances in the United States Shipbuilding Industry," is a survey of the deviations from ideal structural design of different types of vessels during construction and service. While no complete set of structural tolerance limits is universally accepted or required in the United States, a comparison with the standards of other shipbuilding nations and the international classification societies is noteworthy.

This report should be of interest to both shipowners and shipbuilders/designers.

The Ship Structure Committee is an interagency committee composed of representatives from the Naval Sea Systems Command, Maritime Administration, U.S. Coast Guard, Military Sealift Command, U.S. Geological Survey, and the American Bureau of Shipping.

The purpose of the committee is to conduct an aggressive research program which will, in the light of changing technology in marine transportation, improve the design, materials, and construction of the hull structure of ships and other marine structures. This is accomplished by an extension of knowledge in these fields for the ultimate purpose of increasing the safe and economic operation of all marine structures.

For copies of these reports, an index of past reports, or further information, contact: Secretary, Ship Structure Committee, U.S.

Coast Guard (G-M/82), 400 Seventh Street, S.W., Washington, D.C. 20590.

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