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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Showing 1-5 of 46 Abstracts search results
January 1, 1969
T.Y. Lin and Ben C. Gerwick, Jr.
The design of long-span concrete bridges, considering conditions in the U.S.A. is discussed with reference to recent advances in materials and construction techniques.
F.P. Drew and G.F. Leyh
This paper outlines the advantages of through-voided box beam construction and describes the development and research which led to their first use on a railroad project.
To reduce on-site construction time to a minimum, a concrete grade-separation structure was designed utilizing precast prestressed components for pier and deck construction. The structure is designed to carry HS20 loading across spans of 103 ft. with a superstructure depth of 3 ft 5 in. On-site construction time was less than three-months.
When a modern highway bridge, only five years old and 127 ft. long, was to be torn down to make way for a new express highway, the opportunity was taken to conduct on this structure extensive fatigue tests and a final static test up to failure and to investigate the propertites of the construction materials.
Special types of prestressed concrete bridges have been introduced during recent years. The stresses in the decks of these bridges depend on the applied external loads as well as on self-adjusting stress characteristics of the structures themselves.
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