European technical assessment E T A - 2 0 / 0 5 4 1
English translation prepared by CSTB
Table C35: Essential characteristics for threaded rods under tension load for
seismic category C2 in concrete
Threaded rod, HAS-U-..., HIT-V-..., AM...8.8
For a working life of 50 and 100 years
Steel failure
Characteristic resistance
HAS-U (8.8, 8.8 HDG, A4, HCR),
HIT-V (-8.8, -8.8F, -R, -HCR),
AM (8.8, 8.8 HDG),
Commercial standard threaded rod
(grade 8.8, A4, HCR)
Combined pullout and concrete cone failure for a working life of 50 years
Characteristic resistance in cracked concrete C20/25
in hammer drilled holes and hammer drilled holes with Hilti hollow drill bit TE-CD or TE-YD
Temperature range I:
Temperature range II:
Temperature range III:
Combined pullout and concrete cone failure for a working life of 100 years
Characteristic resistance in cracked concrete C20/25
in hammer drilled holes and hammer drilled holes with Hilti hollow drill bit TE-CD or TE-YD
Temperature range I:
Temperature range II:
Temperature range III:
Influence factor on bond resistance
Influence of concrete strength
Temperature range I to III:
Injection system Hilti HIT-RE 500 V4
Performance
Essential characteristics under tension load for seismic performance category C2
in concrete
N
Rk,s,C2
40°C / 24°C
[N/mm
Rk,C2
55°C / 43°C
[N/mm
Rk,C2
75°C / 55°C
[N/mm
Rk,C2
40°C / 24°C
[N/mm
Rk,100,C2
55°C / 43°C
[N/mm
Rk,100,C2
75°C / 55°C
[N/mm
Rk,100,C2
and
Rk,C2
c
M12
M16
[kN]
2
]
3,7
6,5
2
]
3,1
5,3
2
]
1,2
2,1
2
]
3,7
6,5
2
]
3,0
5,3
2
]
1,2
2,1
Rk,100,C2
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M20
M24
M27
A
· f
s
uk
5,8
6,0
5,0
4,8
5,0
4,2
1,9
1,9
1,6
5,8
6,0
5,0
4,8
4,9
4,1
1,9
1,9
1,6
1,0
Annex C36
M30
5,2
4,3
1,7
5,2
4,3
1,7