Computer · Railway Engineering

What is the primary technical and economic advantage of using longer or welded rails in modern railway track construction?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1They are easier to transport through sharp curves
2They significantly reduce the number of joints, expanding track life and reducing maintenance costs✓
3They eliminate the requirement for ballast cushioning
4They reduce the thermal expansion coefficient of steel

Correct answer

They significantly reduce the number of joints, expanding track life and reducing maintenance costs

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