Which of the following types of sleepers has the best shock absorbing capacity as well as
damping property?
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A.
CST sleeper
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B.
Steel sleeper
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C.
Concrete sleeper
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D.
Wooden sleeper
Correct Answer:
C. Concrete sleeper
Explanation:
Wooden sleepers are considered the most effective type for shock absorption and vibration damping. Due to the natural elasticity of wood, these sleepers can absorb the heavy impact and dynamic loads from passing trains more efficiently than rigid materials like steel or concrete. This inherent flexibility provides a cushioning effect between the rail and the ballast, which helps protect the track structure and reduces noise levels. Although newer composite materials are being developed with similar properties, timber remains the traditional standard for superior damping performance.
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