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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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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.
Title: Station Design for the Washington Metro System
Author(s): James E. Monsees
Publication: Special Publication
Appears on pages(s): 348-351
Abstract:This paper describes the structural analyses of Bethesda and Medical Center Stations, Section Allb of the Rockville Route of the Washington Metropolitan Area Rapid Transit System. The station excavations will each be roughly semi-elliptical, approximately 56 feet wide by 40 feet high and about 700 feet long. Depth from ground surface to top of rail is approximately 135 feet; rock cover is approximately 80 to 95 feet.
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