Effects of Creep
The
following are the common effects of creep.
Sleepers out of square The sleepers
move out of their position as a result of creep and become out of
square. This in turn affects the gauge and alignment of the track, which
finally results in unpleasant rides.
Disturbance in gaps get disturbed Due to
creep, the expansion gaps widen at some places and close at others. This
results in the joints getting jammed. Undue stresses are created in the fish
plates and bolts, which affects the smooth working of the switch expansion
joints in the case of long welded rails.
Distortion of points and crossings Due to
excessive creep, it becomes difficult to maintain the correct gauge and
alignment of the rails at points and crossings.
Difficulty in changing rails If, due
to operational reasons, it is required that the rail be changed, the
same becomes difficult as the new rail is found to be either too short or too
long because of creep.
Effect on interlocking The
interlocking mechanism of the points and crossings gets disturbed by
creep.
Possible
buckling of track If the creep is excessive and there is negligence
in the maintenance of the track, the possibility of buckling of the
track cannot be ruled out.
Other effects There are
other miscellaneous effects of creep such as breaking of bolts and kinks
in the alignment, which occur in various situations.
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