TM 5-822-7/AFM 88-6, Chap. 8
Table C-2. Interim suggested maximum joint spacing for steel-fiber-reinforced concrete
Suggested Maximum
S l a b Thickness
J o i n t Spacing
ft
in.
4-6
12.5
15.0
6-9
9-12
>12
25.0
S a w e d contraction joints must be cut deeper to insure opening of
T h e saw cut must penetrate one-third to one-half of
all joints.
O t h e r w i s e , some of the contraction joints
t h e slab thickness.
w i l l not open.
V e r y large separations will then develop at
t h o s e joints that do open, causing joint seal and load-transfer
problems.
C-4
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