Page 15 of European Technical Approval ETA-11/0390, issued on 27.08.2012
English translation prepared by CSTB
of the European
Technical Approval
ETA - 11/0390
Injection System Hilti HIT-CT 1 for rebar connection
Figure 10:
General design rules of construction for bonded-in rebars
1)
If the clear distance between lapped bars exceeds 4d
s
, then the lap length shall be increased by the difference
between the clear bar distance and 4d
s.
The following applies to Figure 10:
v
or.
0
are in accordance with section 4.3.2 of the approval
The provision of sufficient transverse reinforcement according to section 4.3.2.6 of this approval
must be verified.
c
concrete cover of bonded-in bar
c
1
concrete cover at end-face of bonded-in bar
min c
minimum concrete cover acc. Annex 8 of this approval
d
s
diameter of bonded-in bar
0
lap length
v
effective embedment depth
d
0
nominal drill bit diameter, see Table 7 to Table 9
Annex 5
General design rules of construction
spacing and edge distance
for bonded-in rebars
member edge
bonded-in bars
c
min c
5 d
s
d
0
8mm
d
s
25mm
50mm
0
c
1
v
4 d
s
1)
