TM 5-826-6/AFR 93-5
Table A-1. Frequently occurring identification problems in pavement distress identification
Situation
Action
Remarks
Distress in Flexible Pavements
1. Alligator crack-
Record each sepa-
ing and rutting in
rately at respec-
same area.
tive severity
level.
Polished aggregate is
counted in area.
not counted in same
area.
3. Polished aggre-
Do not count.
Polished aggregate
gate in very small
is only counted
amount.
when there is a
significant
amount.
4. Any distress
Do not record.
Effect of distress
(including cracking)
is considered in
in a patched area.
patch severity
level.
5. For asphalt pave-
No longitudinal and
Does not apply to
ments if block crack-
asphaltic con-
ing is recorded.
should be recorded.
crete (AC) over
portland cement
concrete (PCC).
6. For asphalt over-
Block cracking,
AC over PCC could
lay over concrete.
have, for exam-
ple, 100 percent
gitudinal and
block cracking,
10 percent joint
reflected from old
concrete is
ing, and 1 per-
recorded
cent longitudinal
separately.
and transverse
cracking.
(Continued)
Table A-1. Frequently occurring identification problems in pavement distress identification.
A-2