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 loadsforces 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
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