For crossings and points, the maximum size of ballast is:

Question

Question

This question was previously asked in

JKSSB JE CE 2021 Official Paper Shift 3 (Held on 28 Oct 2021)

Answer 1

For points & crossing, the maximum of nominal size of the ballast is 25 mm.

Other Points:

1. Points & crossing provide flexibility of movement by connecting one lien to another according to requirements.

2. They also help for imposing restrictions on turnouts which further retards the speed of the train.

3. The main function of ballast is to hold the sleepers and convert line load to uniformly distributed load.

4. Size of ballast for wooden sleepers is 50 mm and for metal sleepers is 40 mm.