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Setting details
Anchor size
Nominal diameter of
drill bit
Effective anchorage
and drill hole depth
a)
range
Minimum base
material thickness
Minimum spacing
Minimum edge
distance
Critical spacing for
splitting failure
Critical edge distance
b)
for splitting failure
Critical spacing for
concrete cone failure
Critical edge distance
for concrete cone
c)
failure
For spacing (edge distance) smaller than critical spacing (critical edge distance) the design loads have to be
reduced.
≤ h
≤ h
a)
h
ef ,min
ef
ef ,max
h: base material thickness (h ≥ h
b)
c)
The critical edge distance for concrete cone failure depends on the embedment depth h
resistance. The simplified formula given in this table is on the save side.
09 / 2014
Data according ETA-04/0027, issue 2013-06-26
Ø8
Ø10
d
[mm]
12
14
0
h
[mm]
60
60
ef ,min
h
[mm]
160
200
ef ,max
h
+ 30 mm
ef
h
[mm]
min
≥ 100 mm
s
[mm]
40
50
min
c
[mm]
40
50
min
s
cr,sp
1,0 h
ef
c
[mm]
4,6 h
- 1,8 h for 2,0 > h / h
cr,sp
ef
2,26 h
ef
s
cr,N
c
cr,N
(h
: embedment depth)
ef
)
min
These pages are part of the Anchor Fastening Technology Manual issue September 2014
Ø12
Ø14
Ø16
Ø20
16
18
20
25
70
75
80
90
240
280
320
400
60
70
80
100
60
70
80
100
2 c
cr,sp
≥ 2,0
for h / h
ef
> 1,3
ef
≤ 1,3
for h / h
ef
2 c
cr,N
1,5 h
Hilti HIT-RE 500 mortar
with rebar (as anchor)
Ø25
Ø28
Ø32
32
35
40
100
112
128
500
560
640
h
+ 2 d
ef
0
125
140
160
125
140
160
ef
and the design bond
ef
Additional
Hilti tech.
data
Ø36
Ø40
45
55
144
160
720
800
180
200
180
200
601
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