Hilti HIT-RE 500-SD mortar
w/
rebar (as post-install
ed conn.
)
09
/ 2014
Thes
e pages
are part of the Anchor
Fas
tening
Technology Manual is
s
ue September 2014
901
Basic
design
data for rebar design
according
to
rebar
ETA
Bond strength in N/mm² according
to ETA 09/0295 for good bond conditions
for hammer
drilling, compressed
air drilling, dry diamond core drilling
Rebar (mm)
Concrete class
C12/15
C16/20
C20/25
C25/30
C30/37
C35/45
C40/50
C45/55
C50/60
8 - 32
1,6
2,0
2,3
2,7
3,0
3,4
3,7
4,0
4,3
34
1,6
2,0
2,3
2,6
2,9
3,3
3,6
3,9
4,2
36
1,5
1,9
2,2
2,6
2,9
3,3
3,6
3,8
4,1
40
1,5
1,8
2,1
2,5
2,8
3,1
3,4
3,7
4,0
Bond strength in N/mm² according
to ETA 09/0295 for good bond conditions
for wet diamond core drilling
Rebar (mm)
Concrete class
C12/15
C16/20
C20/25
C25/30
C30/37
C35/45
C40/50
C45/55
C50/60
8 - 25
1,6
2,0
2,3
2,7
3,0
3,4
3,7
4,0
4,3
26 - 32
1,6
2,0
2,3
2,7
2,7
2,7
2,7
2,7
2,7
34
1,6
2,0
2,3
2,6
2,6
2,6
2,6
2,6
2,6
36
1,5
1,9
2,2
2,6
2,6
2,6
2,6
2,6
2,6
40
1,5
1,8
2,1
2,5
2,5
2,5
2,5
2,5
2,5
Pullout
design
bond
strengt
h
for Hit Rebar design
Design bond strength in N/mm²
according
to ETA 07/0260
(values in table
are
design values, f
bd,po
=
W
W
Rk
/
J
J
Mp
Hammer or
compressed air
drilling.
Water saturated, water filled or submerged
hole.
Uncracked concrete C20/25.
temperature
range
Bar diameter
Data according to ETA 04/0027
Hilti tech data
8
10
12
14
16
20
22
24
25
26
28
30
32
36
40
I: 40°C/24°C
7,1
6,7
6,2
5,2
4,8
II: 58°C/35°C
5,7
5,2
4,8
4,3
3,8
III: 70°C
/43°C
3,3
3,1
2,9
2,4
Increas
ing factor in
non-cracked
conc
rete:
f
B,p
=(f
cck
/25)
0,1
(f
cck
:
cha
racteristic comp
ressiv
e
strength
on cub
e)
Additional Hilti Technical Data:
If the
concrete is dry (not in contact
with water before/during
installation and curing), the pullout design bond
strength may be increased
by 20%.
If the hole was
produced
by wet diamond
coring, the pullout design
bond
strength has to be reduced
by 30%.
Reduction factor for splitting
with large concrete cov
er:
G
= 0,306 (Hilti additional data)