Adhesive Anchoring Systems
3.2.5 HIT-ICE Adhesive Anchoring System
210 Hilti, Inc. (US) 1-800-879-8000 | www.us.hilti.com I en español 1-800-879-5000 I Hilti (Canada) Corp. 1-800-363-4458 I www.hilti.ca I Anchor Fastening Technical Guide 2016
Anchor spacing adjustment factors
s = Actual spacing
s
min
= 0.5 h
ef
s
cr
= 1.5 h
ef
h
ef
= Actual embedment
Edge distance adjustment factors
c = Actual edge distance
c
min
= 0.5 h
ef
c
cr
= 1.5 h
ef
Tension
= 2.0 h
ef
for Shear
h
ef
= Actual embedment
Table 18 - Load adjustment factors for 3/8-in. diameter anchors
Diameter
3/8-in.
Adjustment
factor
Spacing
tension/shear
ƒ
A
Edge distance
tension
ƒ
RN
Edge distance shear
(
⊥
toward edge)
ƒ
RV1
Edge distance shear
(II to or away
from edge)
ƒ
RV2
Embedment
depth, in.
1-3
/
4 3-1
/
2 5-1
/
4 1-3
/
4 3-1
/
2 5-1
/
4 1-3
/
4 3-1
/
2 5-1
/
4 1-3
/
4 3-1
/
2 5-1
/
4
Spacing (s)
/
Edge distance (c), in.
7
/
8
0.70
0.60
0.18
0.46
1-1
/
4
0.76
0.69
0.30
0.54
1-3
/
4
0.85
0.70
0.80
0.60
0.45
0.18
0.64
0.46
2 0.89
0.72
0.86
0.63
0.53
0.22
0.69
0.49
2-5
/
8
1.00
0.78
0.70
1.00
0.70
0.60
0.72
0.32
0.18
0.82
0.55
0.46
3
0.81
0.72
0.74
0.63
0.84
0.37
0.22
0.90
0.59
0.49
3-1
/
2
0.85
0.75
0.80
0.67
1.00
0.45
0.27
1.00
0.64
0.52
4
0.89
0.78
0.86
0.70
0.53
0.32
0.69
0.55
4-1
/
2
0.94
0.81
0.91
0.74
0.60
0.37
0.74
0.59
5-1
/
4
1.00
0.85
1.00
0.80
0.72
0.45
0.82
0.64
6-1
/
2
0.92
0.90
0.91
0.58
0.95
0.73
7
0.95
0.93
1.00
0.63
1.00
0.76
7-7
/
8
1.00
1.00
0.72
0.82
9
0.84
0.90
10-1
/
2
1.00
1.00
Spacing tension/shear
s
min
= 0.5 h
ef
s
cr
= 1.5 h
ef
ƒ
A
= 0.3(s/h
ef
) + 0.55
for s
cr
>s>s
min
Edge distance tension
c
min
= 0.5 h
ef
c
cr
= 1.5 h
ef
ƒ
RN
= 0.4(c/h
ef
) + 0.40
for c
cr
>c>c
min
Edge distance shear
⊥
toward edge
c
min
= 0.5 h
ef
c
cr
= 2.0 h
ef
ƒ
RV1
= 0.54(c/h
ef
) – 0.09
for c
cr
>c>c
min
Edge distance shear
II to or away from edge
c
min
= 0.5 h
ef
c
cr
= 2.0 h
ef
ƒ
RV2
= 0.36(c/h
ef
) + 0.28
for c
cr
>c>c
min
Figure 4 - Anchor spacing and edge distance in concrete
Note: Tables apply for listed
embedment depths. Reduction
factors for other embedment
depths must be calculated
using equations below.
