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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: Concrete Slab Track on the Long Island Rail Road
Author(s): M. S. Longi
Publication: Special Publication
Appears on pages(s): 405-432
Keywords: concrete slabs; construction; costs; evaluation;
maintenarice; railroads; structural design; tests
Abstract:The Long Island Rail Road (LIRR) in conjunction with New York State Department of Transportation (NYSDOT) in December 1980, completed a grade crossing eli.mination project in Long Island. To provide a solution to problems of costly track maintenance, two parallel, 1.13 mile (1.82 km) long slab tracks were constructed. Unl ike convent ional track with cross ties ancl ballast, this slab track consists of a continuously reinforced concrete slab supported on an asphalt-treated subbase and compacted subgrade to help determine adequacy of design and suitability of this type of construction for other projects, a field testing program was developed and implemented by contracting with Construction Technology Labora-t o r i e s . The paper describes advantages of slab track systems, design details, construct i on t echni ques and sequence, inst rument at i on, test results and findings.
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