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> Figure B-3. General Appearance of Bolt Hole Cracks.
Appendix B Field Identification of Rail Defects
Figure B-5. General Appearance of Broken Rail
Railroad Tracks Standards
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TM
5-628/AFR
91-44
b.
Broken
base.
(2)
Appearance
in
track.
Generally
appears
(1)
Description.
Any
break
in
the
base
of
as a
half-moon
crack
break
in
the
rail
base.
Figure
the
rail.
B-4
illustrates
three
different
appearances
of
broken
bases.
B-2