Slipform Pavers Prove Their Versatility

by Gordon K. Ray, (F.ASCE), Dir.; Paving and Transportation Dept., Portland Cement Assoc., Skokie, Ill.,
Robert G. Packard, (M.ASCE), Principal Paving Engineer; Portland Cement Associate, Skokie, Ill.,
Edwin C. Lokken, (M.ASCE), Principal Highway Engineer; Portland Cement Associate, Skokie, Ill.,

Serial Information: Transportation Engineering Journal of ASCE, 1975, Vol. 101, Issue 4, Pg. 721-736

Document Type: Journal Paper


Slipform pavers were developed in Iowa to pave thin 6-in. (150-mm) concrete pavements just 10-ft (3-m) wide for country farm-to-market roads. Since the first mile of road was built in 1949, slipform paving techniques and equipment have revolutionized concrete paving. In recent years, slipform pavers have placed pavements up to 50-ft (15.2-m) wide, slab thicknesses up to 20-in. (510-mm), and have made record production runs of up to 16,000 cu yd (12,200 cu m) of concrete in one working day, or over 4 miles (6.5-km) of two-lane pavement. On a high-speed test track project, a slipform paver placed a 47-ft (14.3-m) wide slab with superelevation designed for 140-mph (225-km/h) speeds on the semicircular end sections. Slipform pavers have also been used to construct curb and gutter sections, concrete median barriers, bicycle paths, railroad slabs for supporting rails, and concrete guideways for personal rapid transit systems.

Subject Headings: Concrete pavements | Slabs | Rail transportation | Concrete slabs | Pavements | Concrete | Rapid transit systems | Highways and roads | Iowa | United States

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