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  2. Rail inspection - Wikipedia

    en.wikipedia.org/wiki/Rail_inspection

    The probes and transducers are mounted on carriages located underneath the inspection car. Modern-day inspection cars now use multiple NDT methods. Induction and ultrasound methods can be used in rail inspection cars and operate at testing speeds of more than 30 mph (48 km/h). Increased Camera systems for detection of broken joint bars or ...

  3. Track geometry car - Wikipedia

    en.wikipedia.org/wiki/Track_geometry_car

    A track geometry car (also known as a track recording car) is an automated track inspection vehicle on a rail transport system used to test several parameters of the track geometry without obstructing normal railroad operations. Some of the parameters generally measured include position, curvature, alignment of the track, smoothness, and the ...

  4. Train inspection system - Wikipedia

    en.wikipedia.org/wiki/Train_inspection_system

    A train inspection system is one of various systems of inspection which are essential to maintain the safe running of rail transport. Because safety is of high importance when train cars move across the rails, there must be inspections. The cars are heavy and have moving parts that can break or become defective.

  5. List of EN standards - Wikipedia

    en.wikipedia.org/wiki/List_of_EN_standards

    Download as PDF; Printable version ... EN 10204: Metallic products - Types of inspection documents; EN ... Test methods; EN 15152: Railway applications — Front ...

  6. Sperry Rail Service - Wikipedia

    en.wikipedia.org/wiki/Sperry_Rail_Service

    Sperry Rail Service Vehicle. Dr. Elmer Sperry began developing a method of locating internal rail defects in 1911. To build a railway test car, he contracted the American Railway Association in 1927. Construction on this first car began in June 1927. The body was metal-faced plywood, and was mounted on a Kalamazoo motor car bed. This car was ...

  7. Investigators focus on railway inspection practices after ...

    www.aol.com/investigators-focus-railway...

    An investigation into a Colorado coal train derailment and bridge collapse that killed a truck driver is focused on whether inspection and maintenance practices at BNSF Railway contributed to the ...

  8. Railway track - Wikipedia

    en.wikipedia.org/wiki/Railway_track

    A railway track (CwthE and UIC terminology) or railroad track (NAmE), also known as permanent way (CwthE) [1] or "P Way" (BrE [2] and Indian English), is the structure on a railway or railroad consisting of the rails, fasteners, sleepers (railroad ties in American English) and ballast (or slab track), plus the underlying subgrade.

  9. Defect detector - Wikipedia

    en.wikipedia.org/wiki/Defect_detector

    Bogie performance detectors can provide early detection of bogie defects, and early warning of derailment risks through flange climb or rail break. [5] Bogie performance detectors most often use optical methods, and are installed adjacent to the track with wheel sensors clamped to the rails.