Concrete Sleeper for Railway

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Description

On the railroad construction, wood rail sleeper, steel rail sleeper and concrete rail sleeper are the three most common rail sleepers. Tracing the source, rail sleeper originates from wooden sleeper. In the past 100 years, wood rail sleepers are the most widely rail sleepers in railroad, especially in heavy rail and bridge rail. With the development and technical requirements of railroad construction, rail sleepers are now made of varieties materials, such as steel, concrete and rubber.

Concrete rail sleepers

Concrete sleepers have many advantages like longer lifespan, high stability, small maintenance, low damage rate and low scrap rate. They are widely used in high speed railway and the stability is much higher than wood sleepers. Many countries chose concrete sleepers to build high speed passenger line. While concrete sleepers still have many disadvantages like heavy weight, difficult to transport and environment limits. They are not suitable for frozen earth, heavily polluted area and busy routes of mineral.

Advantages of concrete rail sleepers

Offer higher longitudinal and transverse stability
Easy to maintain gauge, cross level and alignment
Suitable for modern methods of track maintenance
Can be used in track circuited areas
Longer life (40-50years) allows renewal of both rail and sleeper together
Suitable for mass production with locally available materials
Not susceptible to (corrosion, fire hazards and pest attack)

Disadvantages of concrete rail sleepers

Heavy to handle
Track laying needs mechanical method
Damage is heavy at the time of derailment
Have no scrap value

Description

Concrete rail sleepers

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