Creep in railway rails is the longitudinal movement of rails relative to sleepers, mainly caused by:
Choose the correct answer
Thermal expansion only
Combined effect of braking, acceleration, wave action, and traffic vibration in the direction of dominant traffic
Rail wear
Seasonal moisture variation in sleepers
Correct Answer
B. Combined effect of braking, acceleration, wave action, and traffic vibration in the direction of dominant traffic
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Rail creep: progressive longitudinal movement of rails in the direction of traffic. Caused by: braking forces, wave action (traffic vibration), rail bending. Anti-creep devices (creep anchors) prevent rail movement. Creep is measured by reference points.
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