ACI-349 Approval for HSL-3 Heavy-Duty Expansion Anchor

Report WC 11-02 Hilti HSL-3 Compliance September 30, 2011
12
h ≥
h
c
design
s
design
TABLE 2—HSL-3 EDGE DISTANCE, SPACING AND MEMBER THICKNESS REQUIREMENTS
1, 2
Case
Dimensional
parameter
Symbol Units
Nominal anchor diameter
M8 M10 M12 M16 M20 M24
A
Minimum concrete
thickness
h
min,A
in. 4-3/4 5-1/2 6-1/4 7-7/8 9-7/8 11-7/8
(mm) (120) (140) (160) (200) (250) (300)
A Critical edge distance
2
c
ac,A
in. 4-3/8 4-3/8 4-3/4 5-7/8 8-7/8 8-7/8
(mm) (110) (110) (120) (150) (225) (225)
A
Minimum edge
distance
3
c
min,AA
in. 2-3/8 2-3/4 3-1/2 4-3/4 5 5-7/8
(mm) (60) (70) (90) (120) (125) (150)
A
Minimum anchor
spacing
3
s
min,AA
in. 5-1/2 9-1/2 11 12-5/8 13-3/4 11-7/8
(mm) (140) (240) (280) (320) (350) (300)
A
Minimum edge
distance
3
c
min,AB
in. 3-3/8 5 6-1/8 7-7/8 8-1/4 8-1/4
(mm) (85) (125) (155) (200) (210) (210)
A
Minimum anchor
spacing
3
s
min,AB
in. 2-3/8 2-3/4 3-1/8 4 5 5-7/8
(mm) (60) (70) (80) (100) (125) (150)
B
Minimum concrete
thickness
h
min,B
4
in. 4-3/8 4-3/4 5-3/8 6-1/4 7-1/2 8-7/8
(mm) (110) (120) (135) (160) (190) (225)
B Critical edge distance
2
c
ac,B
in. 5-7/8 6-7/8 7-7/8 9-7/8 12-3/8 14-3/4
(mm) (150) (175) (200) (250) (312.5) (375)
B
Minimum edge
distance
3
c
min,BA
in. 2-3/8 3-1/2 4-3/8 6-1/4 7-7/8 8-7/8
(mm) (60) (90) (110) (160) (200) (225)
B
Minimum anchor
spacing
3
s
min,BA
in. 7 10-1/4 12-5/8 15 15-3/4 15
(mm) (180) (260) (320) (380) (400) (380)
B
Minimum edge
distance
3
c
min,BB
in. 4 6-1/4 7-7/8 10-5/8 11-7/8 12-5/8
(mm) (100) (160) (200) (270) (300) (320)
B
Minimum anchor
spacing
3
s
min,BB
in. 2-3/8 2-3/4 3-1/8 4 5 5-7/8
(mm) (60) (70) (80) (100) (125) (150)
For pound-inch units: 1 mm = 0.03937 inches.
1
The minimum edge distance, spacing and member thickness in this table is based on testing. In addition, the requirements of ACI
349-01, section 8 for post-installed expansion anchors shall apply. Additional combinations for minimum edge distance c
min
and
spacing s
min
may be derived by linear interpolation between the given boundary values.
2
See ACI 349-01, B.8 and ACI 355.2-01 9.4.
3
Denotes admissible combinations of h
min,
c
cr
, c
min
and s
min
. For example, h
min,A
+ c
cr,A
+ c
min,AA
+ s
min,AA
or h
min,A
+ c
cr,A
+ c
min,AB
+ s
min,AB
are admissible, but h
min,A
+ c
cr,B
+ c
min,AB
+ s
min,BB
is not. However, other admissible combinations for minimum edge distance c
min
and
spacing s
min
for h
min,A
or h
min,B
may be derived by linear interpolation between boundary values (see example for h
min,A
below).
4
For the HSL-3-SH M8, M10 and M12 diameters, the minimum slab thickness h
min,B
must be increased by 5 mm (3/16”).
FIGURE 4Example of allowable interpolation of minimum edge distance and minimum spacing
edge distance c
spacing s
c
design
s
design
c
min,AA
;s
min,AA
c
min,AB
;s
min,AB
h
min,A
edge distance c
spacing s
c
design
s
design
c
min,AA
;s
min,AA
c
min,AB
;s
min,AB
h
min,A