Hilti HY-150 MAX Mode D'emploi page 11

European technical assessment ETA-0 8 / 0 2 0 2
English translation prepared by CSTB
Figure B1: General construction rules for post-installed rebars

Post-installed rebar may be designed for tension forces only.

The transfer of shear forces between new concrete and existing structure shall be designed additionally
according to EN 1992-1-1.

The joints for concreting must be roughened to at least such an extent that aggregate protrudes.
If the clear distance between lapped bars exceeds 4 · ϕ, then the lap length shall be increased by the
*)
difference between the clear bar distance and 4 ·ϕ
c concrete cover of post-installed rebar
c concrete cover at end-face of existing rebar
1
c minimum concrete cover according to Table B2 and to EN 1992-1-1
min
ϕ
diameter of reinforcement bar
l lap length, according to EN 1992-1-1
0
effective embedment depth ≥ l
l
v
d nominal drill bit diameter, see Annex B8
0
Injection system Hilti HIT-HY 150 MAX
Intended Use
General construction rules for post-installed rebars
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+ c
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8 mm ≤ ϕ ≤ 25 mm
Annex B2