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- W783706567 abstract "Frogs continue to be a costly drain on railroads' maintenance-of-way budgets and a frequent contributor to expensive service interruptions and safety threats when they fail. The devices, which are components at intersecting tracks that provide support and clear passage for wheels, are subject to wear as a result of heavier trains and standard track maintenance. Research is focusing on new running surface profiles to reduce maintenance for turnout frogs and crossing diamonds; the use of bainitic steel instead of manganese in selected applications; high-angle designs in some situations; and improved foundation designs. The article describes pilot tests of new designs and early results." @default.
- W783706567 created "2016-06-24" @default.
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- W783706567 date "2002-10-01" @default.
- W783706567 modified "2023-09-23" @default.
- W783706567 title "LEAPS AND BOUNDS : RAILROADS AND SUPPLIERS ARE ANOTHER STEP CLOSER TO DEVELOPING CHEAPER, HEAVIER-WEIGHT-BEARING FROGS" @default.
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