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The basis for design work for prestressed-concrete sleepers in Europe is EN 13230, valid since October 2002: "Concrete sleepers and bearers." A supplement to this standard is UIC 713: "Design of Monoblock Concrete Sleepers," which provides a design example for a prestressed-concrete sleeper.
IHP introduced the Prestressed Concrete Monoblock Sleepers for railways in 1970. Prestressed Concrete Sleepers are made by the company by long line system initially in technical association with Dow Mac Concrete Ltd., of England, the then world leaders in sleepers.