Page 24 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
Mark the required mortar level
m and embedment depth
b
resp.
e,ges
with tape or marker on the injection
extension.
Estimation:
m
= 1/3 ∙
v
resp.
m
= 1/3 ∙
e,ges
When using a piston plug HIT-SZ continue injection until
the mortar level mark
m
becomes visible.
Precise formula for optimum mortar volume:
[m
m]
0,2)
-
d
d
(1,2
2
0
2
s
×
resp.
=
e,ges
v
m
Insert rebar
Insert the rebar into borehole until the embedment mark
is at the concrete surface level.
Proper installation:
Excess mortar flows out of the borehole after the rebar
has been fully inserted until the embedment mark.
Observe the gel time “t
work
”, which varies according to
temperature of base material (see Table 6).
Do not disturb the rebar once the working time “t
work
” has
elapsed till “t
cure
“.
Overhead application:
During insertion of the rebar mortar might flow out of the
bore hole. For collection of the flowing mortar HIT-OHC
may be used.
HIT-OHC
Annex 14
Installation instruction VI
Insert rebar
Mortar level mark
v
.
,
e,ges
