
Iron sleepers are metal infrastructure elements made of steel or wrought iron, placed between the rails to secure them and evenly distribute loads onto the ballast. Also commonly referred to as “steel sleepers,” this system played a significant role in the early railway era due to its high strength and recyclability.Historical BackgroundIron sleepers began to be used particularly in Europe in the 19th century and were widely implemented in many countries until the early 20th century. However, wi
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Yusuf İslam Tuğla

Concrete sleeper is a durable and long-lasting infrastructure element made of concrete, designed to secure railway rails and transfer train loads evenly to the ground.Importance and Current Usage of Concrete SleepersIn TCDD's infrastructure system, the most commonly used type of sleeper is the prestressed concrete sleeper. According to the 2013 Sector Report, the use of concrete sleepers has rapidly become widespread to increase the service life of railway tracks, reduce maintenance costs, and m
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Yusuf İslam Tuğla