Question: Basic functions ballast performs are: A . to transmit and distribute loads / forces uniformly to the subgrade B . to restrain the track laterally,

Basic functions ballast performs are:
A. to transmit and distribute loads/forces uniformly to the subgrade
B. to restrain the track laterally, longitudinally and vertically from
C. dynamic loads and thermal forces
D. to provide adequate drainage for proper roadbed conditions
E. to reduce frost heaving
F. All of the above
Basic functions ballast performs are: A . to

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