TM 5-623
Figure B-78. Medium-severity corner break. Defined by
Figure B-79. High-severity corner break.
a medium-severity crack.
How to Count:
Distressed slab is recorded as one slab if it::
1. Contains a single corner break.
2. Contains more than one break of a particular severity.
3. Contains two or more breaks of different severities.
For two or more breaks, the highest level of severity should be recorded. For
example, a slab containing both low and medium-severity corner breaks
should be counted as one slab with a medium corner break.
Name of Distress:
Divided Slab.
Description:
Slab is divided by cracks into four or more pieces due to overloading and/or
inadequate support. If all pieces or cracks are contained within a corner
break, the distress is categorized as a severe corner break.
Severity Levels:
Severity of
Number of pieces in cracked slab
majority of
cracks
4 to 5
6 to 8
More than 8
L
L
L
M
M
M
M
H
H
M
H
H
See figures B-80 through B-84.
Figure B-80. Low-severity divided slab. Majority of
Figure B-81. Medium-severity divided slab.
cracks are low severity access than 1/2 inch wide and no
faulting).
B-27
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