Function of Ballast in Railway Track - Civil Engineering

Tuesday, December 18, 2018

Function of Ballast in Railway Track

What is Ballast

Ballast is the granular material placed and packed below and around the sleepers to transfer load from sleepers to the formation.
Function of Ballast
Function of Ballast in Railway Track

Function of Ballast

Ballast in railway track performs the following function
1. It provides a suitable foundation for the sleepers.

2. It transfers and distributes loads from the sleepers over a larger area of the foundation.

3. It holds the sleepers in correct position and prevents their lateral and longitudinal movement due to dynamic loads.

4. It helps in maintaining the correct levels and alignment of a track.

5. It acts an elastic medium and thereby increases the elasticity of the track.

6. It protects the top surface of the formation.

7. It improves the drainage facility of the track

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